UnlockCompositingSurface  355 content/browser/renderer_host/render_widget_host_view_android.cc void RenderWidgetHostViewAndroid::UnlockCompositingSurface() {
UnlockCompositingSurface  600 content/browser/renderer_host/render_widget_host_view_base.cc void RenderWidgetHostViewBase::UnlockCompositingSurface() {