Mac Chromium style checker cleanup

ui/surface/io_surface_support_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 <dlfcn.h>
 
 #include "base/memory/singleton.h"
 #include "ui/surface/io_surface_support_mac.h"
 
 typedef CFTypeRef (*IOSurfaceCreateProcPtr)(CFDictionaryRef properties);
@@ skipping 16 matching lines @@
     CVPixelBufferRef pixel_buffer);
 
 class IOSurfaceSupportImpl : public IOSurfaceSupport {
  public:
   static IOSurfaceSupportImpl* GetInstance();
 
   bool InitializedSuccessfully() {
     return initialized_successfully_;
   }
 
-  virtual CFStringRef GetKIOSurfaceWidth();
-  virtual CFStringRef GetKIOSurfaceHeight();
-  virtual CFStringRef GetKIOSurfaceBytesPerElement();
-  virtual CFStringRef GetKIOSurfaceIsGlobal();
+  virtual CFStringRef GetKIOSurfaceWidth() OVERRIDE;
+  virtual CFStringRef GetKIOSurfaceHeight() OVERRIDE;
+  virtual CFStringRef GetKIOSurfaceBytesPerElement() OVERRIDE;
+  virtual CFStringRef GetKIOSurfaceIsGlobal() OVERRIDE;
 
-  virtual CFTypeRef IOSurfaceCreate(CFDictionaryRef properties);
-  virtual uint32 IOSurfaceGetID(CFTypeRef io_surface);
-  virtual CFTypeRef IOSurfaceLookup(uint32 io_surface_id);
-  virtual mach_port_t IOSurfaceCreateMachPort(CFTypeRef io_surface);
-  virtual CFTypeRef IOSurfaceLookupFromMachPort(mach_port_t port);
+  virtual CFTypeRef IOSurfaceCreate(CFDictionaryRef properties) OVERRIDE;
+  virtual uint32 IOSurfaceGetID(CFTypeRef io_surface) OVERRIDE;
+  virtual CFTypeRef IOSurfaceLookup(uint32 io_surface_id) OVERRIDE;
+  virtual mach_port_t IOSurfaceCreateMachPort(CFTypeRef io_surface) OVERRIDE;
+  virtual CFTypeRef IOSurfaceLookupFromMachPort(mach_port_t port) OVERRIDE;
 
-  virtual size_t IOSurfaceGetWidth(CFTypeRef io_surface);
-  virtual size_t IOSurfaceGetHeight(CFTypeRef io_surface);
+  virtual size_t IOSurfaceGetWidth(CFTypeRef io_surface) OVERRIDE;
+  virtual size_t IOSurfaceGetHeight(CFTypeRef io_surface) OVERRIDE;
 
   virtual CGLError CGLTexImageIOSurface2D(CGLContextObj ctx,
                                           GLenum target,
                                           GLenum internal_format,
                                           GLsizei width,
                                           GLsizei height,
                                           GLenum format,
                                           GLenum type,
                                           CFTypeRef io_surface,
-                                          GLuint plane);
+                                          GLuint plane) OVERRIDE;
 
   virtual CFTypeRef CVPixelBufferGetIOSurface(
       CVPixelBufferRef pixel_buffer) OVERRIDE;
 
  private:
   IOSurfaceSupportImpl();
-  ~IOSurfaceSupportImpl();
+  virtual ~IOSurfaceSupportImpl();
 
   void CloseLibraryHandles();
 
   void* iosurface_handle_;
   void* opengl_handle_;
   void* core_video_handle_;
   CFStringRef k_io_surface_width_;
   CFStringRef k_io_surface_height_;
   CFStringRef k_io_surface_bytes_per_element_;
   CFStringRef k_io_surface_is_global_;
@@ skipping 217 matching lines @@
 IOSurfaceSupport* IOSurfaceSupport::Initialize() {
   return IOSurfaceSupportImpl::GetInstance();
 }
 
 IOSurfaceSupport::IOSurfaceSupport() {
 }
 
 IOSurfaceSupport::~IOSurfaceSupport() {
 }