Make StyleChange parameter explicit in setNeedsStyleRecalc.

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 3828 matching lines @@
 }
 
 void WebViewImpl::didExitCompositingMode()
 {
     ASSERT(m_isAcceleratedCompositingActive);
     setIsAcceleratedCompositingActive(false);
     m_compositorCreationFailed = true;
     m_client->didInvalidateRect(IntRect(0, 0, m_size.width, m_size.height));
 
     // Force a style recalc to remove all the composited layers.
-    m_page->mainFrame()->document()->setNeedsStyleRecalc();
+    m_page->mainFrame()->document()->setNeedsStyleRecalc(SubtreeStyleChange);
 
     if (m_pageOverlays)
         m_pageOverlays->update();
 }
 
 void WebViewImpl::updateLayerTreeViewport()
 {
     if (!page() || !m_layerTreeView)
         return;
 
@@ skipping 121 matching lines @@
     const PageScaleConstraints& constraints = m_pageScaleConstraintsSet.pageDefinedConstraints();
 
     if (!mainFrameImpl() || !mainFrameImpl()->frameView())
         return false;
 
     return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width
         || (constraints.minimumScale == constraints.maximumScale && constraints.minimumScale != -1);
 }
 
 } // namespace blink