Merge 138991

Source/WebCore/testing/Internals.cpp

 /*
  * Copyright (C) 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1496 matching lines @@
         return String();
     }
 
     Page* page = document->page();
     if (!page)
         return String();
 
     return page->mainThreadScrollingReasonsAsText();
 }
 
+PassRefPtr<ClientRectList> Internals::nonFastScrollableRects(Document* document, ExceptionCode& ec) const
+{
+    if (!document || !document->frame()) {
+        ec = INVALID_ACCESS_ERR;
+        return 0;
+    }
+
+    Page* page = document->page();
+    if (!page)
+        return 0;
+
+    return page->nonFastScrollableRects(document->frame());
+}
+
 void Internals::garbageCollectDocumentResources(Document* document, ExceptionCode& ec) const
 {
     if (!document) {
         ec = INVALID_ACCESS_ERR;
         return;
     }
 
     CachedResourceLoader* cachedResourceLoader = document->cachedResourceLoader();
     if (!cachedResourceLoader)
         return;
@@ skipping 279 matching lines @@
     return SerializedScriptValue::adopt(bytes);
 #endif
 }
 
 void Internals::setUsesOverlayScrollbars(bool enabled)
 {
     WebCore::Settings::setUsesOverlayScrollbars(enabled);
 }
 
 }