Issue #2341313 by dawehner: Convert all t() calls to $this->t() in views.

core/modules/aggregator/src/Plugin/views/field/TitleLink.php

@@ -48,7 +48,7 @@ protected function defineOptions() {
    */
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $form['display_as_link'] = array(
-      '#title' => t('Display as link'),
+      '#title' => $this->t('Display as link'),
       '#type' => 'checkbox',
       '#default_value' => !empty($this->options['display_as_link']),
     );

core/modules/aggregator/src/Plugin/views/row/Rss.php

@@ -55,12 +55,12 @@ protected function defineOptions() {
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $form['view_mode'] = array(
       '#type' => 'select',
-      '#title' => t('Display type'),
+      '#title' => $this->t('Display type'),
       '#options' => array(
-        'fulltext' => t('Full text'),
-        'teaser' => t('Title plus teaser'),
-        'title' => t('Title only'),
-        'default' => t('Use default RSS settings'),
+        'fulltext' => $this->t('Full text'),
+        'teaser' => $this->t('Title plus teaser'),
+        'title' => $this->t('Title only'),
+        'default' => $this->t('Use default RSS settings'),
       ),
       '#default_value' => $this->options['view_mode'],
     );

core/modules/comment/src/Plugin/views/argument/UserUid.php

@@ -62,7 +62,7 @@ function title() {
       $title = $this->database->query('SELECT name FROM {users_field_data} WHERE uid = :uid AND default_langcode = 1', array(':uid' => $this->argument))->fetchField();
     }
     if (empty($title)) {
-      return t('No user');
+      return $this->t('No user');
     }
 
     return String::checkPlain($title);
@@ -108,7 +108,7 @@ public function query($group_by = FALSE) {
    * {@inheritdoc}
    */
   public function getSortName() {
-    return t('Numerical', array(), array('context' => 'Sort order'));
+    return $this->t('Numerical', array(), array('context' => 'Sort order'));
   }
 
 }

core/modules/comment/src/Plugin/views/field/Comment.php

@@ -63,13 +63,13 @@ protected function defineOptions() {
    */
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $form['link_to_comment'] = array(
-      '#title' => t('Link this field to its comment'),
-      '#description' => t("Enable to override this field's links."),
+      '#title' => $this->t('Link this field to its comment'),
+      '#description' => $this->t("Enable to override this field's links."),
       '#type' => 'checkbox',
       '#default_value' => $this->options['link_to_comment'],
     );
     $form['link_to_entity'] = array(
-      '#title' => t('Link field to the entity if there is no comment'),
+      '#title' => $this->t('Link field to the entity if there is no comment'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['link_to_entity'],
     );

core/modules/comment/src/Plugin/views/field/EntityLink.php

@@ -36,9 +36,9 @@ protected function defineOptions() {
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $form['teaser'] = array(
       '#type' => 'checkbox',
-      '#title' => t('Show teaser-style link'),
+      '#title' => $this->t('Show teaser-style link'),
       '#default_value' => $this->options['teaser'],
-      '#description' => t('Show the comment link in the form used on standard entity teasers, rather than the full entity form.'),
+      '#description' => $this->t('Show the comment link in the form used on standard entity teasers, rather than the full entity form.'),
     );
 
     parent::buildOptionsForm($form, $form_state);

core/modules/comment/src/Plugin/views/field/Link.php

@@ -73,7 +73,7 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
       '#default_value' => $this->options['text'],
     );
     $form['link_to_entity'] = array(
-      '#title' => t('Link field to the entity if there is no comment'),
+      '#title' => $this->t('Link field to the entity if there is no comment'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['link_to_entity'],
     );
@@ -102,7 +102,7 @@ public function render(ResultRow $values) {
    *   Returns a string for the link text.
    */
   protected function renderLink($data, ResultRow $values) {
-    $text = !empty($this->options['text']) ? $this->options['text'] : t('View');
+    $text = !empty($this->options['text']) ? $this->options['text'] : $this->t('View');
     /** @var \Drupal\comment\CommentInterface $comment */
     $comment = $data;
     $cid = $comment->id();

core/modules/comment/src/Plugin/views/field/LinkApprove.php

@@ -47,7 +47,7 @@ protected function renderLink($data, ResultRow $values) {
       return;
     }
 
-    $text = !empty($this->options['text']) ? $this->options['text'] : t('Approve');
+    $text = !empty($this->options['text']) ? $this->options['text'] : $this->t('Approve');
     $comment = $this->get_entity($values);
 
     $this->options['alter']['make_link'] = TRUE;

core/modules/comment/src/Plugin/views/field/LinkDelete.php

@@ -39,7 +39,7 @@ public function access(AccountInterface $account) {
    *   Returns a string for the link text.
    */
   protected function renderLink($data, ResultRow $values) {
-    $text = !empty($this->options['text']) ? $this->options['text'] : t('Delete');
+    $text = !empty($this->options['text']) ? $this->options['text'] : $this->t('Delete');
     $comment = $this->getEntity($values);
 
     $this->options['alter']['make_link'] = TRUE;

core/modules/comment/src/Plugin/views/field/LinkEdit.php

@@ -31,8 +31,8 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
 
     $form['destination'] = array(
       '#type' => 'checkbox',
-      '#title' => t('Use destination'),
-      '#description' => t('Add destination to the link'),
+      '#title' => $this->t('Use destination'),
+      '#description' => $this->t('Add destination to the link'),
       '#default_value' => $this->options['destination'],
     );
   }
@@ -56,7 +56,7 @@ protected function renderLink($data, ResultRow $values) {
       return;
     }
 
-    $text = !empty($this->options['text']) ? $this->options['text'] : t('Edit');
+    $text = !empty($this->options['text']) ? $this->options['text'] : $this->t('Edit');
     unset($this->options['alter']['fragment']);
 
     if (!empty($this->options['destination'])) {

core/modules/comment/src/Plugin/views/field/LinkReply.php

@@ -39,7 +39,7 @@ public function access(AccountInterface $account) {
    *   Returns a string for the link text.
    */
   protected function renderLink($data, ResultRow $values) {
-    $text = !empty($this->options['text']) ? $this->options['text'] : t('Reply');
+    $text = !empty($this->options['text']) ? $this->options['text'] : $this->t('Reply');
     $comment = $this->getEntity($values);
 
     $this->options['alter']['make_link'] = TRUE;

core/modules/comment/src/Plugin/views/field/NodeComment.php

@@ -28,11 +28,11 @@ public function render(ResultRow $values) {
     switch ($value) {
       case CommentItemInterface::HIDDEN:
       default:
-        return t('Hidden');
+        return $this->t('Hidden');
       case CommentItemInterface::CLOSED:
-        return t('Closed');
+        return $this->t('Closed');
       case CommentItemInterface::OPEN:
-        return t('Open');
+        return $this->t('Open');
     }
   }
 

core/modules/comment/src/Plugin/views/field/NodeNewComments.php

@@ -85,8 +85,8 @@ protected function defineOptions() {
 
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $form['link_to_comment'] = array(
-      '#title' => t('Link this field to new comments'),
-      '#description' => t("Enable to override this field's links."),
+      '#title' => $this->t('Link this field to new comments'),
+      '#description' => $this->t("Enable to override this field's links."),
       '#type' => 'checkbox',
       '#default_value' => $this->options['link_to_comment'],
     );

core/modules/comment/src/Plugin/views/field/Username.php

@@ -42,7 +42,7 @@ protected function defineOptions() {
 
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $form['link_to_user'] = array(
-      '#title' => t("Link this field to its user or an author's homepage"),
+      '#title' => $this->t("Link this field to its user or an author's homepage"),
       '#type' => 'checkbox',
       '#default_value' => $this->options['link_to_user'],
     );

core/modules/comment/src/Plugin/views/filter/NodeComment.php

@@ -21,9 +21,9 @@ class NodeComment extends InOperator {
 
   public function getValueOptions() {
     $this->value_options = array(
-      CommentItemInterface::HIDDEN => t('Hidden'),
-      CommentItemInterface::CLOSED => t('Closed'),
-      CommentItemInterface::OPEN => t('Open'),
+      CommentItemInterface::HIDDEN => $this->t('Hidden'),
+      CommentItemInterface::CLOSED => $this->t('Closed'),
+      CommentItemInterface::OPEN => $this->t('Open'),
     );
   }
 

core/modules/comment/src/Plugin/views/row/Rss.php

@@ -41,7 +41,7 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
 
     $form['view_mode'] = array(
       '#type' => 'select',
-      '#title' => t('Display type'),
+      '#title' => $this->t('Display type'),
       '#options' => $this->options_form_summary_options(),
       '#default_value' => $this->options['view_mode'],
     );
@@ -74,8 +74,8 @@ function options_form_summary_options() {
     foreach ($view_modes as $mode => $settings) {
       $options[$mode] = $settings['label'];
     }
-    $options['title'] = t('Title only');
-    $options['default'] = t('Use site default RSS settings');
+    $options['title'] = $this->t('Title only');
+    $options['default'] = $this->t('Use site default RSS settings');
     return $options;
   }
 

core/modules/comment/src/Plugin/views/wizard/Comment.php

@@ -69,8 +69,8 @@ class Comment extends WizardPluginBase {
    */
   protected function rowStyleOptions() {
     $options = array();
-    $options['comment'] = t('comments');
-    $options['fields'] = t('fields');
+    $options['comment'] = $this->t('comments');
+    $options['fields'] = $this->t('fields');
     return $options;
   }
 
@@ -87,11 +87,11 @@ protected function buildFormStyle(array &$form, FormStateInterface $form_state,
       case 'comment':
         $style_form['row_options']['links'] = array(
           '#type' => 'select',
-          '#title' => t('Should links be displayed below each comment'),
+          '#title' => $this->t('Should links be displayed below each comment'),
           '#title_display' => 'invisible',
           '#options' => array(
-            1 => t('with links (allow users to reply to the comment, etc.)'),
-            0 => t('without links'),
+            1 => $this->t('with links (allow users to reply to the comment, etc.)'),
+            0 => $this->t('without links'),
           ),
           '#default_value' => 1,
         );

core/modules/contact/src/Plugin/views/field/ContactLink.php

@@ -87,9 +87,9 @@ public static function create(ContainerInterface $container, array $configuratio
    */
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     parent::buildOptionsForm($form, $form_state);
-    $form['text']['#title'] = t('Link label');
+    $form['text']['#title'] = $this->t('Link label');
     $form['text']['#required'] = TRUE;
-    $form['text']['#default_value'] = empty($this->options['text']) ? t('contact') : $this->options['text'];
+    $form['text']['#default_value'] = empty($this->options['text']) ? $this->t('contact') : $this->options['text'];
   }
 
   /**
@@ -119,7 +119,7 @@ protected function renderLink(EntityInterface $entity, ResultRow $values) {
     $this->options['alter']['make_link'] = TRUE;
     $this->options['alter']['path'] = "user/{$entity->id()}/contact";
 
-    $title = t('Contact %user', array('%user' => $entity->name->value));
+    $title = $this->t('Contact %user', array('%user' => $entity->name->value));
     $this->options['alter']['attributes'] = array('title' => $title);
 
     if (!empty($this->options['text'])) {

core/modules/content_translation/src/Plugin/views/field/TranslationLink.php

@@ -36,7 +36,7 @@ protected function defineOptions() {
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $form['text'] = array(
       '#type' => 'textfield',
-      '#title' => t('Text to display'),
+      '#title' => $this->t('Text to display'),
       '#default_value' => $this->options['text'],
     );
     parent::buildOptionsForm($form, $form_state);
@@ -62,7 +62,7 @@ public function render(ResultRow $values) {
    */
   protected function renderLink(EntityInterface $entity, ResultRow $values) {
     if (content_translation_translate_access($entity)->isAllowed()) {
-      $text = !empty($this->options['text']) ? $this->options['text'] : t('Translate');
+      $text = !empty($this->options['text']) ? $this->options['text'] : $this->t('Translate');
 
       $this->options['alter']['make_link'] = TRUE;
       $this->options['alter']['path'] = $entity->getSystemPath('drupal:content-translation-overview');

core/modules/contextual/src/Plugin/views/field/ContextualLinks.php

@@ -44,18 +44,18 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $field_options = array_slice($all_fields, 0, array_search($this->options['id'], array_keys($all_fields)));
     $form['fields'] = array(
       '#type' => 'checkboxes',
-      '#title' => t('Fields'),
-      '#description' => t('Fields to be included as contextual links.'),
+      '#title' => $this->t('Fields'),
+      '#description' => $this->t('Fields to be included as contextual links.'),
       '#options' => $field_options,
       '#default_value' => $this->options['fields'],
     );
     $form['destination'] = array(
       '#type' => 'select',
-      '#title' => t('Include destination'),
-      '#description' => t('Include a "destination" parameter in the link to return the user to the original view upon completing the contextual action.'),
+      '#title' => $this->t('Include destination'),
+      '#description' => $this->t('Include a "destination" parameter in the link to return the user to the original view upon completing the contextual action.'),
       '#options' => array(
-        '0' => t('No'),
-        '1' => t('Yes'),
+        '0' => $this->t('No'),
+        '1' => $this->t('Yes'),
       ),
       '#default_value' => $this->options['destination'],
     );

core/modules/dblog/src/Plugin/views/field/DblogMessage.php

@@ -51,7 +51,7 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     parent::buildOptionsForm($form, $form_state);
 
     $form['replace_variables'] = array(
-      '#title' => t('Replace variables'),
+      '#title' => $this->t('Replace variables'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['replace_variables'],
     );

core/modules/entity_reference/src/Plugin/views/display/EntityReference.php

@@ -165,14 +165,14 @@ public function validate() {
     // Verify that search fields are set up.
     $style = $this->getOption('style');
     if (!isset($style['options']['search_fields'])) {
-      $errors[] = t('Display "@display" needs a selected search fields to work properly. See the settings for the Entity Reference list format.', array('@display' => $this->display['display_title']));
+      $errors[] = $this->t('Display "@display" needs a selected search fields to work properly. See the settings for the Entity Reference list format.', array('@display' => $this->display['display_title']));
     }
     else {
       // Verify that the search fields used actually exist.
       $fields = array_keys($this->handlers['field']);
       foreach ($style['options']['search_fields'] as $field_alias => $enabled) {
         if ($enabled && !in_array($field_alias, $fields)) {
-          $errors[] = t('Display "@display" uses field %field as search field, but the field is no longer present. See the settings for the Entity Reference list format.', array('@display' => $this->display['display_title'], '%field' => $field_alias));
+          $errors[] = $this->t('Display "@display" uses field %field as search field, but the field is no longer present. See the settings for the Entity Reference list format.', array('@display' => $this->display['display_title'], '%field' => $field_alias));
         }
       }
     }

core/modules/entity_reference/src/Plugin/views/row/EntityReference.php

@@ -43,7 +43,7 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     parent::buildOptionsForm($form, $form_state);
 
     // Expand the description of the 'Inline field' checkboxes.
-    $form['inline']['#description'] .= '<br />' . t("<strong>Note:</strong> In 'Entity Reference' displays, all fields will be displayed inline unless an explicit selection of inline fields is made here." );
+    $form['inline']['#description'] .= '<br />' . $this->t("<strong>Note:</strong> In 'Entity Reference' displays, all fields will be displayed inline unless an explicit selection of inline fields is made here." );
   }
 
   /**

core/modules/entity_reference/src/Plugin/views/style/EntityReference.php

@@ -61,11 +61,11 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $options = $this->displayHandler->getFieldLabels(TRUE);
     $form['search_fields'] = array(
       '#type' => 'checkboxes',
-      '#title' => t('Search fields'),
+      '#title' => $this->t('Search fields'),
       '#options' => $options,
       '#required' => TRUE,
       '#default_value' => $this->options['search_fields'],
-      '#description' => t('Select the field(s) that will be searched when using the autocomplete widget.'),
+      '#description' => $this->t('Select the field(s) that will be searched when using the autocomplete widget.'),
       '#weight' => -3,
     );
   }

core/modules/field/src/Plugin/views/argument/FieldList.php

@@ -55,7 +55,7 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     parent::buildOptionsForm($form, $form_state);
 
     $form['summary']['human'] = array(
-      '#title' => t('Display list value as human readable'),
+      '#title' => $this->t('Display list value as human readable'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['summary']['human'],
       '#states' => array(

core/modules/field/src/Plugin/views/argument/ListString.php

@@ -56,7 +56,7 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     parent::buildOptionsForm($form, $form_state);
 
     $form['summary']['human'] = array(
-      '#title' => t('Display list value as human readable'),
+      '#title' => $this->t('Display list value as human readable'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['summary']['human'],
       '#states' => array(

core/modules/field/src/Plugin/views/field/Field.php

@@ -459,16 +459,16 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     else {
       $form['click_sort_column'] = array(
         '#type' => 'select',
-        '#title' => t('Column used for click sorting'),
+        '#title' => $this->t('Column used for click sorting'),
         '#options' => array_combine($column_names, $column_names),
         '#default_value' => $this->options['click_sort_column'],
-        '#description' => t('Used by Style: Table to determine the actual column to click sort the field on. The default is usually fine.'),
+        '#description' => $this->t('Used by Style: Table to determine the actual column to click sort the field on. The default is usually fine.'),
       );
     }
 
     $form['type'] = array(
       '#type' => 'select',
-      '#title' => t('Formatter'),
+      '#title' => $this->t('Formatter'),
       '#options' => $formatters,
       '#default_value' => $this->options['type'],
       '#ajax' => array(
@@ -479,16 +479,16 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     );
 
     $form['field_api_classes'] = array(
-      '#title' => t('Use field template'),
+      '#title' => $this->t('Use field template'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['field_api_classes'],
-      '#description' => t('If checked, field api classes will be added by field templates. This is not recommended unless your CSS depends upon these classes. If not checked, template will not be used.'),
+      '#description' => $this->t('If checked, field api classes will be added by field templates. This is not recommended unless your CSS depends upon these classes. If not checked, template will not be used.'),
       '#fieldset' => 'style_settings',
       '#weight' => 20,
     );
 
     if ($this->multiple) {
-      $form['field_api_classes']['#description'] .= ' ' . t('Checking this option will cause the group Display Type and Separator values to be ignored.');
+      $form['field_api_classes']['#description'] .= ' ' . $this->t('Checking this option will cause the group Display Type and Separator values to be ignored.');
     }
 
     // Get the currently selected formatter.
@@ -523,21 +523,21 @@ function multiple_options_form(&$form, FormStateInterface $form_state) {
 
     $form['multiple_field_settings'] = array(
       '#type' => 'details',
-      '#title' => t('Multiple field settings'),
+      '#title' => $this->t('Multiple field settings'),
       '#weight' => 5,
     );
 
     $form['group_rows'] = array(
-      '#title' => t('Display all values in the same row'),
+      '#title' => $this->t('Display all values in the same row'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['group_rows'],
-      '#description' => t('If checked, multiple values for this field will be shown in the same row. If not checked, each value in this field will create a new row. If using group by, please make sure to group by "Entity ID" for this setting to have any effect.'),
+      '#description' => $this->t('If checked, multiple values for this field will be shown in the same row. If not checked, each value in this field will create a new row. If using group by, please make sure to group by "Entity ID" for this setting to have any effect.'),
       '#fieldset' => 'multiple_field_settings',
     );
 
     // Make the string translatable by keeping it as a whole rather than
     // translating prefix and suffix separately.
-    list($prefix, $suffix) = explode('@count', t('Display @count value(s)'));
+    list($prefix, $suffix) = explode('@count', $this->t('Display @count value(s)'));
 
     if ($field->getCardinality() == FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED) {
       $type = 'textfield';
@@ -552,11 +552,11 @@ function multiple_options_form(&$form, FormStateInterface $form_state) {
     }
     $form['multi_type'] = array(
       '#type' => 'radios',
-      '#title' => t('Display type'),
+      '#title' => $this->t('Display type'),
       '#options' => array(
-        'ul' => t('Unordered list'),
-        'ol' => t('Ordered list'),
-        'separator' => t('Simple separator'),
+        'ul' => $this->t('Unordered list'),
+        'ol' => $this->t('Ordered list'),
+        'separator' => $this->t('Simple separator'),
       ),
       '#states' => array(
         'visible' => array(
@@ -569,7 +569,7 @@ function multiple_options_form(&$form, FormStateInterface $form_state) {
 
     $form['separator'] = array(
       '#type' => 'textfield',
-      '#title' => t('Separator'),
+      '#title' => $this->t('Separator'),
       '#default_value' => $this->options['separator'],
       '#states' => array(
         'visible' => array(
@@ -596,7 +596,7 @@ function multiple_options_form(&$form, FormStateInterface $form_state) {
       '#fieldset' => 'multiple_field_settings',
     );
 
-    list($prefix, $suffix) = explode('@count', t('starting from @count'));
+    list($prefix, $suffix) = explode('@count', $this->t('starting from @count'));
     $form['delta_offset'] = array(
       '#type' => 'textfield',
       '#size' => 5,
@@ -608,11 +608,11 @@ function multiple_options_form(&$form, FormStateInterface $form_state) {
           ':input[name="options[group_rows]"]' => array('checked' => TRUE),
         ),
       ),
-      '#description' => t('(first item is 0)'),
+      '#description' => $this->t('(first item is 0)'),
       '#fieldset' => 'multiple_field_settings',
     );
     $form['delta_reversed'] = array(
-      '#title' => t('Reversed'),
+      '#title' => $this->t('Reversed'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['delta_reversed'],
       '#suffix' => $suffix,
@@ -621,11 +621,11 @@ function multiple_options_form(&$form, FormStateInterface $form_state) {
           ':input[name="options[group_rows]"]' => array('checked' => TRUE),
         ),
       ),
-      '#description' => t('(start from last values)'),
+      '#description' => $this->t('(start from last values)'),
       '#fieldset' => 'multiple_field_settings',
     );
     $form['delta_first_last'] = array(
-      '#title' => t('First and last only'),
+      '#title' => $this->t('First and last only'),
       '#type' => 'checkbox',
       '#default_value' => $this->options['delta_first_last'],
       '#suffix' => '</div>',
@@ -648,14 +648,14 @@ public function buildGroupByForm(&$form, FormStateInterface $form_state) {
 
     $field_columns = array_keys($this->getFieldDefinition()->getColumns());
     $group_columns = array(
-      'entity_id' => t('Entity ID'),
+      'entity_id' => $this->t('Entity ID'),
     ) + array_map('ucfirst', array_combine($field_columns, $field_columns));
 
     $form['group_column'] = array(
       '#type' => 'select',
-      '#title' => t('Group column'),
+      '#title' => $this->t('Group column'),
       '#default_value' => $this->options['group_column'],
-      '#description' => t('Select the column of this field to apply the grouping function selected above.'),
+      '#description' => $this->t('Select the column of this field to apply the grouping function selected above.'),
       '#options' => $group_columns,
     );
 
@@ -667,9 +667,9 @@ public function buildGroupByForm(&$form, FormStateInterface $form_state) {
     // Add on defined fields, noting that they're prefixed with the field name.
     $form['group_columns'] = array(
       '#type' => 'checkboxes',
-      '#title' => t('Group columns (additional)'),
+      '#title' => $this->t('Group columns (additional)'),
       '#default_value' => $this->options['group_columns'],
-      '#description' => t('Select any additional columns of this field to include in the query and to group on.'),
+      '#description' => $this->t('Select any additional columns of this field to include in the query and to group on.'),
       '#options' => $options + $group_columns,
     );
   }
@@ -889,7 +889,7 @@ function render_item($count, $item) {
   protected function documentSelfTokens(&$tokens) {
     $field = $this->getFieldDefinition();
     foreach ($field->getColumns() as $id => $column) {
-      $tokens['[' . $this->options['id'] . '-' . $id . ']'] = t('Raw @column', array('@column' => $id));
+      $tokens['[' . $this->options['id'] . '-' . $id . ']'] = $this->t('Raw @column', array('@column' => $id));
     }
   }
 

core/modules/file/src/Plugin/views/field/Extension.php

@@ -36,8 +36,8 @@ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     parent::buildOptionsForm($form, $form_state);
     $form['extension_detect_tar'] = array(
       '#type' => 'checkbox',
-      '#title' => t('Detect if tar is part of the extension'),
-      '#description' => t("See if the previous extension is '.tar' and if so, add that, so we see 'tar.gz' or 'tar.bz2' instead of just 'gz'."),
+      '#title' => $this->t('Detect if tar is part of the extension'),
+      '#description' => $this->t("See if the previous extension is '.tar' and if so, add that, so we see 'tar.gz' or 'tar.bz2' instead of just 'gz'."),
       '#default_value' => $this->options['extension_detect_tar'],
     );
   }

core/modules/file/src/Plugin/views/field/File.php

@@ -44,8 +44,8 @@ protected function defineOptions() {
    */
   public function buildOptionsForm(&$form, FormStateInterface $form_state) {
     $form['link_to_file'] = array(
-      '#title' => t('Link this field to download the file'),
-      '#description' => t("Enable to override this field's links."),
+      '#title' => $this->t('Link this field to download the file'),
+      '#description' => $this->t("Enable to override this field's links."),
       '#type' => 'checkbox',
       '#default_value' => !empty($this->options['link_to_file']),
     );