Standardize usage of virtual/override/final in gpu/

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h
index d5109469a4b721d9cc3d3025344b8b231ee9ed3c..1e7db3ffa2aa6e7a81fa4bb01afc40c0596554b2 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h
@@ -554,24 +554,23 @@ class GLES2DecoderTestBase : public ::testing::TestWithParam<bool> {
    public:
     MockCommandBufferEngine();
 
-    virtual ~MockCommandBufferEngine();
+    ~MockCommandBufferEngine() override;
 
-    virtual scoped_refptr<gpu::Buffer> GetSharedMemoryBuffer(int32 shm_id)
-        override;
+    scoped_refptr<gpu::Buffer> GetSharedMemoryBuffer(int32 shm_id) override;
 
     void ClearSharedMemory() {
       memset(valid_buffer_->memory(), kInitialMemoryValue, kSharedBufferSize);
     }
 
-    virtual void set_token(int32 token) override;
+    void set_token(int32 token) override;
 
-    virtual bool SetGetBuffer(int32 /* transfer_buffer_id */) override;
+    bool SetGetBuffer(int32 /* transfer_buffer_id */) override;
 
     // Overridden from CommandBufferEngine.
-    virtual bool SetGetOffset(int32 offset) override;
+    bool SetGetOffset(int32 offset) override;
 
     // Overridden from CommandBufferEngine.
-    virtual int32 GetGetOffset() override;
+    int32 GetGetOffset() override;
 
    private:
     scoped_refptr<gpu::Buffer> valid_buffer_;