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

ppapi/proxy/ppb_graphics_3d_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_PROXY_PPB_GRAPHICS_3D_PROXY_H_
 #define PPAPI_PROXY_PPB_GRAPHICS_3D_PROXY_H_
 
 #include <vector>
 
 #include "base/memory/shared_memory.h"
@@ skipping 16 matching lines @@
 class HostResource;
 
 namespace proxy {
 
 class SerializedHandle;
 class PpapiCommandBufferProxy;
 
 class PPAPI_PROXY_EXPORT Graphics3D : public PPB_Graphics3D_Shared {
  public:
   explicit Graphics3D(const HostResource& resource);
-  virtual ~Graphics3D();
+  ~Graphics3D() override;
 
   bool Init(gpu::gles2::GLES2Implementation* share_gles2,
             const gpu::Capabilities& capabilities,
             const SerializedHandle& shared_state);
 
   // Graphics3DTrusted API. These are not implemented in the proxy.
-  virtual PP_Bool SetGetBuffer(int32_t shm_id) override;
-  virtual PP_Bool Flush(int32_t put_offset) override;
-  virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(uint32_t size,
-                                                          int32* id) override;
-  virtual PP_Bool DestroyTransferBuffer(int32_t id) override;
-  virtual gpu::CommandBuffer::State WaitForTokenInRange(int32_t start,
-                                                        int32_t end) override;
-  virtual gpu::CommandBuffer::State WaitForGetOffsetInRange(int32_t start,
-                                                            int32_t end)
-      override;
-  virtual uint32_t InsertSyncPoint() override;
-  virtual uint32_t InsertFutureSyncPoint() override;
-  virtual void RetireSyncPoint(uint32_t sync_point) override;
+  PP_Bool SetGetBuffer(int32_t shm_id) override;
+  PP_Bool Flush(int32_t put_offset) override;
+  scoped_refptr<gpu::Buffer> CreateTransferBuffer(uint32_t size,
+                                                  int32* id) override;
+  PP_Bool DestroyTransferBuffer(int32_t id) override;
+  gpu::CommandBuffer::State WaitForTokenInRange(int32_t start,
+                                                int32_t end) override;
+  gpu::CommandBuffer::State WaitForGetOffsetInRange(int32_t start,
+                                                    int32_t end) override;
+  uint32_t InsertSyncPoint() override;
+  uint32_t InsertFutureSyncPoint() override;
+  void RetireSyncPoint(uint32_t sync_point) override;
 
  private:
   // PPB_Graphics3D_Shared overrides.
-  virtual gpu::CommandBuffer* GetCommandBuffer() override;
-  virtual gpu::GpuControl* GetGpuControl() override;
-  virtual int32 DoSwapBuffers() override;
+  gpu::CommandBuffer* GetCommandBuffer() override;
+  gpu::GpuControl* GetGpuControl() override;
+  int32 DoSwapBuffers() override;
 
   scoped_ptr<PpapiCommandBufferProxy> command_buffer_;
 
   DISALLOW_COPY_AND_ASSIGN(Graphics3D);
 };
 
 class PPB_Graphics3D_Proxy : public InterfaceProxy {
  public:
   PPB_Graphics3D_Proxy(Dispatcher* dispatcher);
-  virtual ~PPB_Graphics3D_Proxy();
+  ~PPB_Graphics3D_Proxy();
 
   static PP_Resource CreateProxyResource(
       PP_Instance instance,
       PP_Resource share_context,
       const int32_t* attrib_list);
 
   // InterfaceProxy implementation.
-  virtual bool OnMessageReceived(const IPC::Message& msg);
+  bool OnMessageReceived(const IPC::Message& msg) override;
 
   static const ApiID kApiID = API_ID_PPB_GRAPHICS_3D;
 
  private:
   void OnMsgCreate(PP_Instance instance,
                    HostResource share_context,
                    const std::vector<int32_t>& attribs,
                    HostResource* result,
                    gpu::Capabilities* capabilities,
                    SerializedHandle* handle);
@@ skipping 32 matching lines @@
   ProxyCompletionCallbackFactory<PPB_Graphics3D_Proxy> callback_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Proxy);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PPB_GRAPHICS_3D_PROXY_H_