gpu: Add a new extension CHROMIUM_deschedule.

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 dd451591214565d0fb043a07c1548fafd644fa47..eeb834217bdab963b39223b6144b888deb9fccdf 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
@@ -146,6 +146,10 @@ class MockGLES2Decoder : public GLES2Decoder {
                void(const FenceSyncReleaseCallback& callback));
   MOCK_METHOD1(SetWaitFenceSyncCallback,
                void(const WaitFenceSyncCallback& callback));
+  MOCK_METHOD1(SetDescheduleUntilFinishedCallback,
+               void(const NoParamCallback& callback));
+  MOCK_METHOD1(SetRescheduleAfterFinishedCallback,
+               void(const NoParamCallback& callback));
   MOCK_METHOD1(WaitForReadPixels,
                void(base::Closure callback));
   MOCK_METHOD0(GetTextureUploadCount, uint32_t());