DidSetVisibleOnImplTree 2514 cc/trees/layer_tree_host_unittest.cc   virtual void DidSetVisibleOnImplTree(LayerTreeHostImpl* host_impl,
DidSetVisibleOnImplTree 1864 cc/trees/layer_tree_host_unittest_context.cc   virtual void DidSetVisibleOnImplTree(LayerTreeHostImpl* impl,