hitTestOverflowControls 2732 Source/core/rendering/RenderBlock.cpp return layer()->scrollableArea()->hitTestOverflowControls(result, roundedIntPoint(locationInContainer - toLayoutSize(accumulatedOffset))); hitTestOverflowControls 163 Source/core/rendering/RenderLayerScrollableArea.h bool hitTestOverflowControls(HitTestResult&, const IntPoint& localPoint);