Defer clearing textures and renderbuffers

gpu/command_buffer/service/gles2_cmd_decoder_mock.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_mock.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_mock.h b/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
index 6eb313db26dc0ebce786b9f6381d4e6591a77408..7cdd56c018e18b7742ff0688de3969fdf324c4b6 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
@@ -56,6 +56,15 @@ class MockGLES2Decoder : public GLES2Decoder {
                                          uint32* service_texture_id));
   MOCK_METHOD0(GetContextLostReason, error::ContextLostReason());
   MOCK_CONST_METHOD1(GetCommandName, const char*(unsigned int command_id));
+  MOCK_METHOD8(ClearLevel, bool(
+      unsigned service_id,
+      unsigned bind_target,
+      unsigned target,
+      int level,
+      unsigned format,
+      unsigned type,
+      int width,
+      int height));
 
   DISALLOW_COPY_AND_ASSIGN(MockGLES2Decoder);
 };