Removed last references to old sync points.

gpu/command_buffer/service/gles2_cmd_decoder.cc

Index: gpu/command_buffer/service/gles2_cmd_decoder.cc
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder.cc b/gpu/command_buffer/service/gles2_cmd_decoder.cc
index 34601eb6ccbbbed9401a20ccd98b78bf10f2d091..2555842c23ba6e0bb39472e75644b36d04c24cd8 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.cc
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.cc
@@ -621,7 +621,6 @@ class GLES2DecoderImpl : public GLES2Decoder, public ErrorStateClient {
   const ContextState* GetContextState() override { return &state_; }
 
   void SetShaderCacheCallback(const ShaderCacheCallback& callback) override;
-  void SetWaitSyncPointCallback(const WaitSyncPointCallback& callback) override;
   void SetFenceSyncReleaseCallback(
       const FenceSyncReleaseCallback& callback) override;
   void SetWaitFenceSyncCallback(const WaitFenceSyncCallback& callback) override;
@@ -1960,7 +1959,6 @@ class GLES2DecoderImpl : public GLES2Decoder, public ErrorStateClient {
 
   scoped_ptr<ImageManager> image_manager_;
 
-  WaitSyncPointCallback wait_sync_point_callback_;
   FenceSyncReleaseCallback fence_sync_release_callback_;
   WaitFenceSyncCallback wait_fence_sync_callback_;
 
@@ -3966,11 +3964,6 @@ void GLES2DecoderImpl::SetShaderCacheCallback(
   shader_cache_callback_ = callback;
 }
 
-void GLES2DecoderImpl::SetWaitSyncPointCallback(
-    const WaitSyncPointCallback& callback) {
-  wait_sync_point_callback_ = callback;
-}
-
 void GLES2DecoderImpl::SetFenceSyncReleaseCallback(
     const FenceSyncReleaseCallback& callback) {
   fence_sync_release_callback_ = callback;