Standardize usage of virtual/override/final in ui/

ui/gl/gl_surface_mac.cc

 // 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.
 
 #include "ui/gl/gl_surface.h"
 
 #include <OpenGL/CGLRenderers.h>
 
 #include "base/basictypes.h"
 #include "base/debug/trace_event.h"
@@ skipping 12 matching lines @@
 
 // A "no-op" surface. It is not required that a CGLContextObj have an
 // associated drawable (pbuffer or fullscreen context) in order to be
 // made current. Everywhere this surface type is used, we allocate an
 // FBO at the user level as the drawable of the associated context.
 class GL_EXPORT NoOpGLSurface : public GLSurface {
  public:
   explicit NoOpGLSurface(const gfx::Size& size) : size_(size) {}
 
   // Implement GLSurface.
-  virtual bool Initialize() override { return true; }
-  virtual void Destroy() override {}
-  virtual bool IsOffscreen() override { return true; }
-  virtual bool SwapBuffers() override {
+  bool Initialize() override { return true; }
+  void Destroy() override {}
+  bool IsOffscreen() override { return true; }
+  bool SwapBuffers() override {
     NOTREACHED() << "Cannot call SwapBuffers on a NoOpGLSurface.";
     return false;
   }
-  virtual gfx::Size GetSize() override { return size_; }
-  virtual void* GetHandle() override { return NULL; }
-  virtual void* GetDisplay() override { return NULL; }
-  virtual bool IsSurfaceless() const override { return true; }
+  gfx::Size GetSize() override { return size_; }
+  void* GetHandle() override { return NULL; }
+  void* GetDisplay() override { return NULL; }
+  bool IsSurfaceless() const override { return true; }
 
  protected:
-  virtual ~NoOpGLSurface() {}
+  ~NoOpGLSurface() override {}
 
  private:
   gfx::Size size_;
 
   DISALLOW_COPY_AND_ASSIGN(NoOpGLSurface);
 };
 
 // static
 bool InitializeOneOffForSandbox() {
   static bool initialized = false;
@@ skipping 96 matching lines @@
     }
     case kGLImplementationMockGL:
       return new GLSurfaceStub;
     default:
       NOTREACHED();
       return NULL;
   }
 }
 
 }  // namespace gfx