Issue #1614186 follow-up by xjm: Use \ rather than 'use' statements for native PHP classes.

lib/Drupal/views/Plugin/views/HandlerBase.php

@@ -11,8 +11,6 @@ use Drupal\Component\Plugin\Discovery\DiscoveryInterface;
 use Drupal\views\Plugin\views\PluginBase;
 use Drupal\views\ViewExecutable;
 use Drupal\Core\Database\Database;
-use DateTimeZone;
-use DateTime;
 
 abstract class HandlerBase extends PluginBase {
 
@@ -714,8 +712,8 @@ abstract class HandlerBase extends PluginBase {
     $db_type = Database::getConnection()->databaseType();
     $offset = $this->getTimezone();
     if (isset($offset) && !is_numeric($offset)) {
-      $dtz = new DateTimeZone($offset);
-      $dt = new DateTime('now', $dtz);
+      $dtz = new \DateTimeZone($offset);
+      $dt = new \DateTime('now', $dtz);
       $offset_seconds = $dtz->getOffset($dt);
     }
 

lib/Drupal/views/Plugin/views/wizard/WizardException.php

@@ -7,11 +7,9 @@
 
 namespace Drupal\views\Plugin\views\wizard;
 
-use Exception;
-
 /**
  * A custom exception class for our errors.
  */
-class WizardException extends Exception {
+class WizardException extends \Exception {
 
 }

lib/Drupal/views/Tests/Handler/FieldTest.php

@@ -12,7 +12,6 @@ namespace Drupal\views\Tests\Handler;
  *
  * @see Drupal\views\Plugin\views\field\FieldPluginBase
  */
-use DOMDocument;
 
 class FieldTest extends HandlerTestBase {
 
@@ -170,7 +169,7 @@ class FieldTest extends HandlerTestBase {
    *   An array containing simplexml objects.
    */
   protected function parseContent($content) {
-    $htmlDom = new DOMDocument();
+    $htmlDom = new \DOMDocument();
     @$htmlDom->loadHTML('<?xml encoding="UTF-8">' . $content);
     $elements = simplexml_import_dom($htmlDom);
 

lib/Drupal/views/Tests/Plugin/StyleTestBase.php

@@ -7,8 +7,6 @@
 
 namespace Drupal\views\Tests\Plugin;
 
-use DOMDocument;
-
 /**
  * Tests some general style plugin related functionality.
  */
@@ -31,7 +29,7 @@ abstract class StyleTestBase extends PluginTestBase {
    * Stores a view output in the elements.
    */
   function storeViewPreview($output) {
-    $htmlDom = new DOMDocument();
+    $htmlDom = new \DOMDocument();
     @$htmlDom->loadHTML($output);
     if ($htmlDom) {
       // It's much easier to work with simplexml than DOM, luckily enough

lib/Drupal/views/Tests/PluginInstanceTest.php

@@ -7,8 +7,6 @@
 
 namespace Drupal\views\Tests;
 
-use ReflectionClass;
-
 /**
  * Checks general plugin data and instances for all plugin types.
  */
@@ -93,7 +91,7 @@ class PluginInstanceTest extends ViewTestBase {
       foreach ($plugins as $definition) {
         // Get a reflection class for this plugin.
         // We only want to test true plugins, i.e. They extend PluginBase.
-        $reflection = new ReflectionClass($definition['class']);
+        $reflection = new \ReflectionClass($definition['class']);
         if ($reflection->isSubclassOf('Drupal\views\Plugin\views\PluginBase')) {
           // Create a plugin instance and check what it is. This is not just
           // good to check they can be created but for throwing any notices for

lib/Views/node/Plugin/views/row/Rss.php

@@ -10,7 +10,6 @@ namespace Views\node\Plugin\views\row;
 use Drupal\Core\Annotation\Plugin;
 use Drupal\Core\Annotation\Translation;
 use Drupal\views\Plugin\views\row\RowPluginBase;
-use stdClass;
 
 /**
  * Plugin which performs a node_view on the resulting object
@@ -165,7 +164,7 @@ class Rss extends RowPluginBase {
       $item_text .= drupal_render($build);
     }
 
-    $item = new stdClass();
+    $item = new \stdClass();
     $item->description = $item_text;
     $item->title = $node->label();
     $item->link = $node->link;