List sync points to wait on in AsyncFlush message

ppapi/proxy/ppb_graphics_3d_proxy.h

Index: ppapi/proxy/ppb_graphics_3d_proxy.h
diff --git a/ppapi/proxy/ppb_graphics_3d_proxy.h b/ppapi/proxy/ppb_graphics_3d_proxy.h
index 848281e0280c61985e44c43d1162788a7660c507..bd7c54b9a0dded8a2464776d45750f68bc7db17d 100644
--- a/ppapi/proxy/ppb_graphics_3d_proxy.h
+++ b/ppapi/proxy/ppb_graphics_3d_proxy.h
@@ -42,7 +42,8 @@ class PPAPI_PROXY_EXPORT Graphics3D : public PPB_Graphics3D_Shared {
 
   // Graphics3DTrusted API. These are not implemented in the proxy.
   virtual PP_Bool SetGetBuffer(int32_t shm_id) override;
-  virtual PP_Bool Flush(int32_t put_offset) override;
+  virtual PP_Bool Flush(int32_t put_offset,
+                        const std::vector<uint32_t>& sync_points) override;
   virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(uint32_t size,
                                                           int32* id) override;
   virtual PP_Bool DestroyTransferBuffer(int32_t id) override;
@@ -100,7 +101,9 @@ class PPB_Graphics3D_Proxy : public InterfaceProxy {
                                     int32 end,
                                     gpu::CommandBuffer::State* state,
                                     bool* success);
-  void OnMsgAsyncFlush(const HostResource& context, int32 put_offset);
+  void OnMsgAsyncFlush(const HostResource& context,
+                       int32 put_offset,
+                       const std::vector<uint32>& sync_points);
   void OnMsgCreateTransferBuffer(
       const HostResource& context,
       uint32 size,