Standardize usage of virtual/override/final in gpu/

gpu/command_buffer/client/gles2_implementation_unittest.cc

Index: gpu/command_buffer/client/gles2_implementation_unittest.cc
diff --git a/gpu/command_buffer/client/gles2_implementation_unittest.cc b/gpu/command_buffer/client/gles2_implementation_unittest.cc
index b4e266777f8ddfaebaa135fdc367fd4b4226adef..7b3ec2dbce3f7a085461ef245e32d239ba88d159 100644
--- a/gpu/command_buffer/client/gles2_implementation_unittest.cc
+++ b/gpu/command_buffer/client/gles2_implementation_unittest.cc
@@ -114,25 +114,23 @@ class MockTransferBuffer : public TransferBufferInterface {
     }
   }
 
-  virtual ~MockTransferBuffer() { }
-
-  virtual bool Initialize(
-      unsigned int starting_buffer_size,
-      unsigned int result_size,
-      unsigned int /* min_buffer_size */,
-      unsigned int /* max_buffer_size */,
-      unsigned int alignment,
-      unsigned int size_to_flush) override;
-  virtual int GetShmId() override;
-  virtual void* GetResultBuffer() override;
-  virtual int GetResultOffset() override;
-  virtual void Free() override;
-  virtual bool HaveBuffer() const override;
-  virtual void* AllocUpTo(
-      unsigned int size, unsigned int* size_allocated) override;
-  virtual void* Alloc(unsigned int size) override;
-  virtual RingBuffer::Offset GetOffset(void* pointer) const override;
-  virtual void FreePendingToken(void* p, unsigned int /* token */) override;
+  ~MockTransferBuffer() override {}
+
+  bool Initialize(unsigned int starting_buffer_size,
+                  unsigned int result_size,
+                  unsigned int /* min_buffer_size */,
+                  unsigned int /* max_buffer_size */,
+                  unsigned int alignment,
+                  unsigned int size_to_flush) override;
+  int GetShmId() override;
+  void* GetResultBuffer() override;
+  int GetResultOffset() override;
+  void Free() override;
+  bool HaveBuffer() const override;
+  void* AllocUpTo(unsigned int size, unsigned int* size_allocated) override;
+  void* Alloc(unsigned int size) override;
+  RingBuffer::Offset GetOffset(void* pointer) const override;
+  void FreePendingToken(void* p, unsigned int /* token */) override;
 
   size_t MaxTransferBufferSize() {
     return size_ - result_size_;