gpu: Allow waiting on sync tokens without sync token client.

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 206f6d39ef9f125d5dcf32636dd814191cbf5521..64ca1a8c4b465060dfd3473fe2e429666e8f806f 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_mock.h
@@ -149,8 +149,8 @@ class MockGLES2Decoder : public GLES2Decoder {
                void(const ShaderCacheCallback& callback));
   MOCK_METHOD1(SetFenceSyncReleaseCallback,
                void(const FenceSyncReleaseCallback& callback));
-  MOCK_METHOD1(SetWaitFenceSyncCallback,
-               void(const WaitFenceSyncCallback& callback));
+  MOCK_METHOD1(SetWaitSyncTokenCallback,
+               void(const WaitSyncTokenCallback& callback));
   MOCK_METHOD1(SetDescheduleUntilFinishedCallback,
                void(const NoParamCallback& callback));
   MOCK_METHOD1(SetRescheduleAfterFinishedCallback,