Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.h"
 
 #include <utility>
 
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/scoped_nsobject.h"
@@ skipping 26 matching lines @@
       : controller_(controller) {}
 
   void Observe(content::WebContents* new_web_contents) {
     WebContentsObserver::Observe(new_web_contents);
   }
 
   WebContents* web_contents() const {
     return WebContentsObserver::web_contents();
   }
 
-  virtual void DidShowFullscreenWidget(int routing_id) override {
+  void DidShowFullscreenWidget(int routing_id) override {
     [controller_ toggleFullscreenWidget:YES];
   }
 
-  virtual void DidDestroyFullscreenWidget(int routing_id) override {
+  void DidDestroyFullscreenWidget(int routing_id) override {
     [controller_ toggleFullscreenWidget:NO];
   }
 
-  virtual void DidToggleFullscreenModeForTab(bool entered_fullscreen) override {
+  void DidToggleFullscreenModeForTab(bool entered_fullscreen) override {
     [controller_ toggleFullscreenWidget:YES];
   }
 
  private:
   TabContentsController* const controller_;
 
   DISALLOW_COPY_AND_ASSIGN(FullscreenObserver);
 };
 
 @interface TabContentsController (TabContentsContainerViewDelegate)
@@ skipping 294 matching lines @@
     } else {
       rect.ClampToCenteredSize(gfx::Size(
           static_cast<int>(x / captureSize.height()), rect.height()));
     }
   }
 
   return NSRectFromCGRect(rect.ToCGRect());
 }
 
 @end