MainThreadCapabilities   38 cc/output/renderer.h   RendererCapabilities MainThreadCapabilities() const;
MainThreadCapabilities  371 cc/trees/single_thread_proxy.cc       layer_tree_host_impl_->GetRendererCapabilities().MainThreadCapabilities();
MainThreadCapabilities  418 cc/trees/thread_proxy.cc                      .MainThreadCapabilities()));
MainThreadCapabilities 1518 cc/trees/thread_proxy.cc                         .MainThreadCapabilities();