OnAppRequestUserAttention 29 apps/app_shim/app_shim_handler_mac.h virtual void OnAppRequestUserAttention() = 0; OnAppRequestUserAttention 72 apps/app_shim/app_shim_host_mac.h virtual void OnAppRequestUserAttention() OVERRIDE; OnAppRequestUserAttention 286 apps/app_shim/extension_app_shim_handler_mac.cc host->OnAppRequestUserAttention();