Standardize usage of virtual/override/final in gpu/

gpu/command_buffer/client/gl_in_process_context.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 "gpu/command_buffer/client/gl_in_process_context.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 30 matching lines @@
 const unsigned int kDefaultStartTransferBufferSize = 4 * 1024 * 1024;
 const unsigned int kDefaultMinTransferBufferSize = 1 * 256 * 1024;
 const unsigned int kDefaultMaxTransferBufferSize = 16 * 1024 * 1024;
 
 class GLInProcessContextImpl
     : public GLInProcessContext,
       public base::SupportsWeakPtr<GLInProcessContextImpl> {
  public:
   explicit GLInProcessContextImpl(
       const GLInProcessContextSharedMemoryLimits& mem_limits);
-  virtual ~GLInProcessContextImpl();
+  ~GLInProcessContextImpl() override;
 
   bool Initialize(
       scoped_refptr<gfx::GLSurface> surface,
       bool is_offscreen,
       bool use_global_share_group,
       GLInProcessContext* share_context,
       gfx::AcceleratedWidget window,
       const gfx::Size& size,
       const gpu::gles2::ContextCreationAttribHelper& attribs,
       gfx::GpuPreference gpu_preference,
       const scoped_refptr<InProcessCommandBuffer::Service>& service);
 
   // GLInProcessContext implementation:
-  virtual void SetContextLostCallback(const base::Closure& callback) override;
-  virtual gles2::GLES2Implementation* GetImplementation() override;
-  virtual size_t GetMappedMemoryLimit() override;
+  void SetContextLostCallback(const base::Closure& callback) override;
+  gles2::GLES2Implementation* GetImplementation() override;
+  size_t GetMappedMemoryLimit() override;
 
 #if defined(OS_ANDROID)
   virtual scoped_refptr<gfx::SurfaceTexture> GetSurfaceTexture(
       uint32 stream_id) override;
 #endif
 
  private:
   void Destroy();
   void OnContextLost();
   void OnSignalSyncPoint(const base::Closure& callback);
@@ skipping 211 matching lines @@
                            size,
                            attribs,
                            gpu_preference,
                            service))
     return NULL;
 
   return context.release();
 }
 
 }  // namespace gpu