List sync points to wait on in AsyncFlush message

ppapi/proxy/ppapi_command_buffer_proxy.cc

Index: ppapi/proxy/ppapi_command_buffer_proxy.cc
diff --git a/ppapi/proxy/ppapi_command_buffer_proxy.cc b/ppapi/proxy/ppapi_command_buffer_proxy.cc
index fd84d01d7b8b411b45531368645396d65ed87a96..ecc713aa7398d6f75b0cde1462805700598224f2 100644
--- a/ppapi/proxy/ppapi_command_buffer_proxy.cc
+++ b/ppapi/proxy/ppapi_command_buffer_proxy.cc
@@ -46,12 +46,13 @@ int32 PpapiCommandBufferProxy::GetLastToken() {
   return last_state_.token;
 }
 
-void PpapiCommandBufferProxy::Flush(int32 put_offset) {
+void PpapiCommandBufferProxy::Flush(int32 put_offset,
+                                    const std::vector<uint32>& sync_points) {
   if (last_state_.error != gpu::error::kNoError)
     return;
 
   IPC::Message* message = new PpapiHostMsg_PPBGraphics3D_AsyncFlush(
-      ppapi::API_ID_PPB_GRAPHICS_3D, resource_, put_offset);
+      ppapi::API_ID_PPB_GRAPHICS_3D, resource_, put_offset, sync_points);
 
   // Do not let a synchronous flush hold up this message. If this handler is
   // deferred until after the synchronous flush completes, it will overwrite the