Update {virtual,override} to follow C++11 style in ppapi.

ppapi/proxy/ppb_image_data_proxy.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 PPAPI_PPB_IMAGE_DATA_PROXY_H_
 #define PPAPI_PPB_IMAGE_DATA_PROXY_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "build/build_config.h"
@@ skipping 21 matching lines @@
 class SerializedHandle;
 
 // ImageData is an abstract base class for image data resources. Unlike most
 // resources, ImageData must be public in the header since a number of other
 // resources need to access it.
 class PPAPI_PROXY_EXPORT ImageData
     : public ppapi::Resource,
       public NON_EXPORTED_BASE(ppapi::thunk::PPB_ImageData_API),
       public ppapi::PPB_ImageData_Shared {
  public:
-  virtual ~ImageData();
+  ~ImageData() override;
 
   // Resource overrides.
-  virtual ppapi::thunk::PPB_ImageData_API* AsPPB_ImageData_API() override;
-  virtual void LastPluginRefWasDeleted() override;
-  virtual void InstanceWasDeleted() override;
+  ppapi::thunk::PPB_ImageData_API* AsPPB_ImageData_API() override;
+  void LastPluginRefWasDeleted() override;
+  void InstanceWasDeleted() override;
 
   // PPB_ImageData API.
-  virtual PP_Bool Describe(PP_ImageDataDesc* desc) override;
-  virtual int32_t GetSharedMemory(int* handle, uint32_t* byte_count) override;
-  virtual void SetIsCandidateForReuse() override;
+  PP_Bool Describe(PP_ImageDataDesc* desc) override;
+  int32_t GetSharedMemory(int* handle, uint32_t* byte_count) override;
+  void SetIsCandidateForReuse() override;
 
   PPB_ImageData_Shared::ImageDataType type() const { return type_; }
   const PP_ImageDataDesc& desc() const { return desc_; }
 
   // Prepares this image data to be recycled to the plugin. Clears the contents
   // if zero_contents is true.
   void RecycleToPlugin(bool zero_contents);
 
  protected:
   ImageData(const ppapi::HostResource& resource,
@@ skipping 11 matching lines @@
 
 // PlatformImageData is a full featured image data resource which can access
 // the underlying platform-specific canvas and ImageHandle. This can't be used
 // by NaCl apps.
 #if !defined(OS_NACL)
 class PPAPI_PROXY_EXPORT PlatformImageData : public ImageData {
  public:
   PlatformImageData(const ppapi::HostResource& resource,
                     const PP_ImageDataDesc& desc,
                     ImageHandle handle);
-  virtual ~PlatformImageData();
+  ~PlatformImageData() override;
 
   // PPB_ImageData API.
-  virtual void* Map() override;
-  virtual void Unmap() override;
-  virtual SkCanvas* GetPlatformCanvas() override;
-  virtual SkCanvas* GetCanvas() override;
+  void* Map() override;
+  void Unmap() override;
+  SkCanvas* GetPlatformCanvas() override;
+  SkCanvas* GetCanvas() override;
 
   static ImageHandle NullHandle();
   static ImageHandle HandleFromInt(int32_t i);
 
  private:
   scoped_ptr<TransportDIB> transport_dib_;
 
   // Null when the image isn't mapped.
   scoped_ptr<SkCanvas> mapped_canvas_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformImageData);
 };
 #endif  // !defined(OS_NACL)
 
 // SimpleImageData is a simple, platform-independent image data resource which
 // can be used by NaCl. It can also be used by trusted apps when access to the
 // platform canvas isn't needed.
 class PPAPI_PROXY_EXPORT SimpleImageData : public ImageData {
  public:
   SimpleImageData(const ppapi::HostResource& resource,
                   const PP_ImageDataDesc& desc,
                   const base::SharedMemoryHandle& handle);
-  virtual ~SimpleImageData();
+  ~SimpleImageData() override;
 
   // PPB_ImageData API.
-  virtual void* Map() override;
-  virtual void Unmap() override;
-  virtual SkCanvas* GetPlatformCanvas() override;
-  virtual SkCanvas* GetCanvas() override;
+  void* Map() override;
+  void Unmap() override;
+  SkCanvas* GetPlatformCanvas() override;
+  SkCanvas* GetCanvas() override;
 
  private:
   base::SharedMemory shm_;
   uint32 size_;
   int map_count_;
 
   DISALLOW_COPY_AND_ASSIGN(SimpleImageData);
 };
 
 class PPB_ImageData_Proxy : public InterfaceProxy {
  public:
   PPB_ImageData_Proxy(Dispatcher* dispatcher);
-  virtual ~PPB_ImageData_Proxy();
+  ~PPB_ImageData_Proxy() override;
 
   static PP_Resource CreateProxyResource(
       PP_Instance instance,
       PPB_ImageData_Shared::ImageDataType type,
       PP_ImageDataFormat format,
       const PP_Size& size,
       PP_Bool init_to_zero);
 
   // InterfaceProxy implementation.
-  virtual bool OnMessageReceived(const IPC::Message& msg);
+  bool OnMessageReceived(const IPC::Message& msg) override;
 
   // Utility for creating ImageData resources.
   // This can only be called on the host side of the proxy.
   // On failure, will return invalid resource (0). On success it will return a
   // valid resource and the out params will be written.
   // |desc| contains the result of Describe.
   // |image_handle| and |byte_count| contain the result of GetSharedMemory.
   // NOTE: if |init_to_zero| is false, you should write over the entire image
   // to avoid leaking sensitive data to a less privileged process.
   PPAPI_PROXY_EXPORT static PP_Resource CreateImageData(
@@ skipping 30 matching lines @@
   // Host->Plugin message handlers.
   void OnPluginMsgNotifyUnusedImageData(const HostResource& old_image_data);
 
   DISALLOW_COPY_AND_ASSIGN(PPB_ImageData_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PPB_IMAGE_DATA_PROXY_H_