setRootLayer 77 content/renderer/gpu/render_widget_compositor.h virtual void setRootLayer(const blink::WebLayer& layer); setRootLayer 416 content/renderer/render_widget_fullscreen_pepper.cc compositor_->setRootLayer(*layer_); setRootLayer 33 content/test/web_layer_tree_view_impl_for_testing.h virtual void setRootLayer(const blink::WebLayer& layer);