Add missing break in switch-case statements in gles2_cmd_decoder

gpu/command_buffer/service/gles2_cmd_decoder.h

Index: gpu/command_buffer/service/gles2_cmd_decoder.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.h b/gpu/command_buffer/service/gles2_cmd_decoder.h
index 60ca384c6f711f4361cbb542508333873227f8af..90c68838d0bf6d52d3e7a9c8f097d2df70427068 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.h
@@ -247,6 +247,8 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
 
   virtual void WaitForReadPixels(base::Closure callback) = 0;
   virtual uint32 GetTextureUploadCount() = 0;
+  virtual uint32 GetBackbufferClearBits() { return 0; }

[Sami, 2015/11/04 11:55:52]

Please add the "ForTest" suffix for these to make it clearer that these are
test-only. Could also move them next to the existing test methods.

Also I think I'd combine these into  a single
GetAndClearBackbufferClearBitsForTest() method.

[RaviKasibhatla, 2015/11/04 14:59:40]

Done.

+  virtual void ClearBackbufferClearBits() {}
   virtual base::TimeDelta GetTotalTextureUploadTime() = 0;
   virtual base::TimeDelta GetTotalProcessingCommandsTime() = 0;
   virtual void AddProcessingCommandsTime(base::TimeDelta) = 0;