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

chrome/browser/ui/cocoa/autofill/autofill_loading_shield_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/autofill/autofill_loading_shield_controller.h"
 
 #include <cmath>
 
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/ui/autofill/autofill_dialog_view_delegate.h"
@@ skipping 15 matching lines @@
 }  // namespace
 
 
 // A C++ bridge class for driving the animation.
 class AutofillLoadingAnimationBridge : public gfx::AnimationDelegate {
  public:
   AutofillLoadingAnimationBridge(AutofillLoadingShieldController* controller,
                                  int font_size)
       : animation_(this, font_size),
         controller_(controller) {}
-  virtual ~AutofillLoadingAnimationBridge() {}
+  ~AutofillLoadingAnimationBridge() override {}
 
   // gfx::AnimationDelegate implementation.
-  virtual void AnimationProgressed(const gfx::Animation* animation) override {
+  void AnimationProgressed(const gfx::Animation* animation) override {
     DCHECK_EQ(animation, &animation_);
     [controller_ relayoutDotsForSteppedAnimation:animation_];
   }
 
   autofill::LoadingAnimation* animation() { return &animation_; }
 
  private:
   autofill::LoadingAnimation animation_;
   AutofillLoadingShieldController* const controller_;  // weak, owns |this|
 };
@@ skipping 110 matching lines @@
     (const autofill::LoadingAnimation&)animation {
   for (NSView* dot in dots_.get()) {
     NSPoint origin = [dot frame].origin;
     origin.y = [message_ frame].origin.y -
         animation.GetCurrentValueForDot([dot tag]);
     [dot setFrameOrigin:origin];
   }
 }
 
 @end