RenderElement::rendererForRootBackground() should return a reference.
<https://webkit.org/b/125735>
This function always finds a renderer to return.
Reviewed by Antti Koivisto.
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@160595 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/Source/WebCore/rendering/RenderLayerBacking.cpp b/Source/WebCore/rendering/RenderLayerBacking.cpp
index 73c6d5f..1295a06 100644
--- a/Source/WebCore/rendering/RenderLayerBacking.cpp
+++ b/Source/WebCore/rendering/RenderLayerBacking.cpp
@@ -1549,11 +1549,8 @@
Color RenderLayerBacking::rendererBackgroundColor() const
{
- RenderElement* backgroundRenderer = &renderer();
- if (backgroundRenderer->isRoot())
- backgroundRenderer = backgroundRenderer->rendererForRootBackground();
-
- return backgroundRenderer->style().visitedDependentColor(CSSPropertyBackgroundColor);
+ const auto& backgroundRenderer = renderer().isRoot() ? renderer().rendererForRootBackground() : renderer();
+ return backgroundRenderer.style().visitedDependentColor(CSSPropertyBackgroundColor);
}
void RenderLayerBacking::updateDirectlyCompositedBackgroundColor(bool isSimpleContainer, bool& didUpdateContentsRect)
