[Extensions UI] Remove override of toolbar redesign in many tests

chrome/browser/ui/views/toolbar/browser_actions_container_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
 
 #include <stddef.h>
 
 #include "base/macros.h"
 #include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
@@ skipping 230 matching lines @@
   // We should go back to normal after leaving highlight mode.
   toolbar_model()->StopHighlighting();
   EXPECT_EQ(3, browser_actions_bar()->VisibleBrowserActions());
   EXPECT_EQ(3, browser_actions_bar()->NumberOfBrowserActions());
   action_view = container->GetToolbarActionViewAt(0);
   EXPECT_TRUE(container->CanStartDragForView(action_view, point, point));
 }
 
 // Test the behavior of the overflow container for Extension Actions.
 class BrowserActionsContainerOverflowTest
-    : public BrowserActionsBarRedesignBrowserTest {
+    : public BrowserActionsBarBrowserTest {
  public:
   BrowserActionsContainerOverflowTest() : main_bar_(nullptr),
                                           overflow_bar_(nullptr) {
   }
   ~BrowserActionsContainerOverflowTest() override {}
 
  protected:
   // Returns true if the order of the ToolbarActionViews in |main_bar_|
   // and |overflow_bar_| match.
   bool ViewOrdersMatch();
@@ skipping 195 matching lines @@
 
   main_bar()->OnDragUpdated(target_event3);
   main_bar()->OnPerformDrop(target_event3);
 
   // Order should be A C B, and there should be no extensions in overflow.
   EXPECT_EQ(extension_a()->id(), main_bar()->GetIdAt(0u));
   EXPECT_EQ(extension_c()->id(), main_bar()->GetIdAt(1u));
   EXPECT_EQ(extension_b()->id(), main_bar()->GetIdAt(2u));
   EXPECT_TRUE(VerifyVisibleCount(3u));
 }