isMainFrame       200 Source/core/frame/Frame.cpp bool Frame::isMainFrame() const
isMainFrame      3253 Source/core/frame/FrameView.cpp bool FrameView::isMainFrame() const
isMainFrame        56 Source/core/rendering/compositing/CompositingReasonFinder.cpp bool CompositingReasonFinder::isMainFrame() const
isMainFrame      1996 Source/core/rendering/compositing/RenderLayerCompositor.cpp bool RenderLayerCompositor::isMainFrame() const