Invalidate as DisplayItemClient when PaintLayer is setNeedsRepaint

third_party/WebKit/Source/core/paint/PaintLayer.cpp

Index: third_party/WebKit/Source/core/paint/PaintLayer.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintLayer.cpp b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
index 4677310c3963f59ac7265564d0146e979a794564..63490d93975d90e25af178863d1094bd29dfb420 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayer.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
@@ -2853,12 +2853,18 @@ void PaintLayer::computeSelfHitTestRects(LayerHitTestRects& rects) const
 
 void PaintLayer::setNeedsRepaint()
 {
-    m_needsRepaint = true;
+    setNeedsRepaintInternal();
 
     // Do this unconditionally to ensure container chain is marked when compositing status of the layer changes.
     markCompositingContainerChainForNeedsRepaint();
 }
 
+void PaintLayer::setNeedsRepaintInternal()
+{
+    m_needsRepaint = true;
+    setDisplayItemsUncached(); // Invalidate as a display item client.
+}
+
 void PaintLayer::markCompositingContainerChainForNeedsRepaint()
 {
     // Need to access compositingState(). We've ensured correct flag setting when compositingState() changes.
@@ -2884,7 +2890,7 @@ void PaintLayer::markCompositingContainerChainForNeedsRepaint()
         }
         if (container->m_needsRepaint)
             break;
-        container->m_needsRepaint = true;
+        container->setNeedsRepaintInternal();
         layer = container;
     }
 }