List sync points to wait on in AsyncFlush message

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 670ce751bf9a3bca57fc89d46b868acd1402c7cc..954f83ad77d4c3e580df72865809369c471675c5 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder.h
@@ -59,7 +59,6 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
                                 public CommonDecoder {
  public:
   typedef error::Error Error;
-  typedef base::Callback<bool(uint32 id)> WaitSyncPointCallback;
 
   // The default stencil mask, which has all bits set.  This really should be a
   // GLuint, but we can't #include gl_bindings.h in this file without causing
@@ -228,11 +227,6 @@ class GPU_EXPORT GLES2Decoder : public base::SupportsWeakPtr<GLES2Decoder>,
   // A callback for messages from the decoder.
   virtual void SetShaderCacheCallback(const ShaderCacheCallback& callback) = 0;
 
-  // Sets the callback for waiting on a sync point. The callback returns the
-  // scheduling status (i.e. true if the channel is still scheduled).
-  virtual void SetWaitSyncPointCallback(
-      const WaitSyncPointCallback& callback) = 0;
-
   virtual void WaitForReadPixels(base::Closure callback) = 0;
   virtual uint32 GetTextureUploadCount() = 0;
   virtual base::TimeDelta GetTotalTextureUploadTime() = 0;