Standardize usage of virtual/override/final in gpu/

gpu/command_buffer/service/async_pixel_transfer_manager_sync.h

Index: gpu/command_buffer/service/async_pixel_transfer_manager_sync.h
diff --git a/gpu/command_buffer/service/async_pixel_transfer_manager_sync.h b/gpu/command_buffer/service/async_pixel_transfer_manager_sync.h
index a08e9155633967933a87353dca4965066ff4d047..b965d6f444af1443531b840c848ab23abe169f37 100644
--- a/gpu/command_buffer/service/async_pixel_transfer_manager_sync.h
+++ b/gpu/command_buffer/service/async_pixel_transfer_manager_sync.h
@@ -12,18 +12,18 @@ namespace gpu {
 class AsyncPixelTransferManagerSync : public AsyncPixelTransferManager {
  public:
   AsyncPixelTransferManagerSync();
-  virtual ~AsyncPixelTransferManagerSync();
+  ~AsyncPixelTransferManagerSync() override;
 
   // AsyncPixelTransferManager implementation:
-  virtual void BindCompletedAsyncTransfers() override;
-  virtual void AsyncNotifyCompletion(
+  void BindCompletedAsyncTransfers() override;
+  void AsyncNotifyCompletion(
       const AsyncMemoryParams& mem_params,
       AsyncPixelTransferCompletionObserver* observer) override;
-  virtual uint32 GetTextureUploadCount() override;
-  virtual base::TimeDelta GetTotalTextureUploadTime() override;
-  virtual void ProcessMorePendingTransfers() override;
-  virtual bool NeedsProcessMorePendingTransfers() override;
-  virtual void WaitAllAsyncTexImage2D() override;
+  uint32 GetTextureUploadCount() override;
+  base::TimeDelta GetTotalTextureUploadTime() override;
+  void ProcessMorePendingTransfers() override;
+  bool NeedsProcessMorePendingTransfers() override;
+  void WaitAllAsyncTexImage2D() override;
 
   // State shared between Managers and Delegates.
   struct SharedState {
@@ -36,7 +36,7 @@ class AsyncPixelTransferManagerSync : public AsyncPixelTransferManager {
 
  private:
   // AsyncPixelTransferManager implementation:
-  virtual AsyncPixelTransferDelegate* CreatePixelTransferDelegateImpl(
+  AsyncPixelTransferDelegate* CreatePixelTransferDelegateImpl(
       gles2::TextureRef* ref,
       const AsyncTexImage2DParams& define_params) override;