Invalidate paint of FrameView before invalidating the layout tree

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 1125 matching lines @@
         return;
 
     lifecycle().advanceTo(DocumentLifecycle::InPaintInvalidation);
 
     RELEASE_ASSERT(!layoutViewItem().isNull());
     LayoutViewItem rootForPaintInvalidation = layoutViewItem();
     ASSERT(!rootForPaintInvalidation.needsLayout());
 
     TRACE_EVENT1("blink", "FrameView::invalidateTree", "root", rootForPaintInvalidation.debugName().ascii());
 
+    invalidatePaintIfNeeded(paintInvalidationState);
     rootForPaintInvalidation.invalidateTreeIfNeeded(paintInvalidationState);
-    invalidatePaintIfNeeded(paintInvalidationState);
 
 #if ENABLE(ASSERT)
     layoutView()->assertSubtreeClearedPaintInvalidationFlags();
 #endif
 
     lifecycle().advanceTo(DocumentLifecycle::PaintInvalidationClean);
 }
 
 void FrameView::invalidatePaintIfNeeded(const PaintInvalidationState& paintInvalidationState)
 {
@@ skipping 3255 matching lines @@
 }
 
 bool FrameView::canThrottleRendering() const
 {
     if (!RuntimeEnabledFeatures::renderingPipelineThrottlingEnabled())
         return false;
     return m_subtreeThrottled || (m_hiddenForThrottling && m_crossOriginForThrottling);
 }
 
 } // namespace blink