DidSwap            19 cc/base/latency_info_swap_promise.h   virtual void DidSwap(CompositorFrameMetadata* metadata) OVERRIDE;
DidSwap            44 cc/base/swap_promise.h   virtual void DidSwap(CompositorFrameMetadata* metadata) = 0;
DidSwap           863 cc/trees/layer_tree_impl.cc     swap_promise_list_[i]->DidSwap(metadata);