chrome: Cleanup class/struct forward declarations

chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TABS_TAB_DRAG_CONTROLLER_INTERACTIVE_UITEST_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_DRAG_CONTROLLER_INTERACTIVE_UITEST_H_
 
 #include <string>
 
 #include "base/macros.h"
 #include "chrome/test/base/in_process_browser_test.h"
 
 class Browser;
 class BrowserList;
 class TabStrip;
 class TabStripModel;
 class WindowFinder;
 
 namespace content {
 class WebContents;
 }
 
-namespace gfx {
-class Point;
-}
-
-namespace views {
-class View;
-}
-
 // TabDragControllerTest is the basis for the two tests that exercise
 // TabDragController.
 class TabDragControllerTest : public InProcessBrowserTest {
  public:
   TabDragControllerTest();
   ~TabDragControllerTest() override;
 
   // Cover for TabStrip::StopAnimating(true).
   void StopAnimating(TabStrip* tab_strip);
 
@@ skipping 30 matching lines @@
 // id of the first tab is set to |start|, the second tab |start + 1| ...
 void ResetIDs(TabStripModel* model, int start);
 
 // Returns a string representation of the ids of the tabs in |model|. Each id
 // is separated by a space.
 std::string IDString(TabStripModel* model);
 
 }  // namespace test
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_DRAG_CONTROLLER_INTERACTIVE_UITEST_H_