Standardize usage of virtual/override/final in gpu/

gpu/command_buffer/service/async_pixel_transfer_manager_sync.cc

 // Copyright 2013 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 "gpu/command_buffer/service/async_pixel_transfer_manager_sync.h"
 
 #include "gpu/command_buffer/service/async_pixel_transfer_delegate.h"
 
 namespace gpu {
 
 // Class which handles async pixel transfers synchronously.
 class AsyncPixelTransferDelegateSync : public AsyncPixelTransferDelegate {
  public:
   explicit AsyncPixelTransferDelegateSync(
       AsyncPixelTransferManagerSync::SharedState* shared_state);
-  virtual ~AsyncPixelTransferDelegateSync();
+  ~AsyncPixelTransferDelegateSync() override;
 
   // Implement AsyncPixelTransferDelegate:
-  virtual void AsyncTexImage2D(
-      const AsyncTexImage2DParams& tex_params,
-      const AsyncMemoryParams& mem_params,
-      const base::Closure& bind_callback) override;
-  virtual void AsyncTexSubImage2D(
-      const AsyncTexSubImage2DParams& tex_params,
-      const AsyncMemoryParams& mem_params) override;
-  virtual bool TransferIsInProgress() override;
-  virtual void WaitForTransferCompletion() override;
+  void AsyncTexImage2D(const AsyncTexImage2DParams& tex_params,
+                       const AsyncMemoryParams& mem_params,
+                       const base::Closure& bind_callback) override;
+  void AsyncTexSubImage2D(const AsyncTexSubImage2DParams& tex_params,
+                          const AsyncMemoryParams& mem_params) override;
+  bool TransferIsInProgress() override;
+  void WaitForTransferCompletion() override;
 
  private:
   // Safe to hold a raw pointer because SharedState is owned by the Manager
   // which owns the Delegate.
   AsyncPixelTransferManagerSync::SharedState* shared_state_;
 
   DISALLOW_COPY_AND_ASSIGN(AsyncPixelTransferDelegateSync);
 };
 
 AsyncPixelTransferDelegateSync::AsyncPixelTransferDelegateSync(
@@ skipping 94 matching lines @@
 }
 
 AsyncPixelTransferDelegate*
 AsyncPixelTransferManagerSync::CreatePixelTransferDelegateImpl(
     gles2::TextureRef* ref,
     const AsyncTexImage2DParams& define_params) {
   return new AsyncPixelTransferDelegateSync(&shared_state_);
 }
 
 }  // namespace gpu