Previous checkin was for Bug 666689

layout/base/nsLayoutUtils.cpp

@@ -2929,6 +2929,7 @@ nsLayoutUtils::PaintTextShadow(const nsIFrame* aFrame,
       shadowColor = aForegroundColor;
 
     // Conjure an nsRenderingContext from a gfxContext for drawing the text
+    // to blur.
     nsRefPtr<nsRenderingContext> renderingContext = new nsRenderingContext();
     renderingContext->Init(presCtx->DeviceContext(), shadowContext);