Merge 110323

Source/WebCore/rendering/RenderObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2768 matching lines @@
 
     ASSERT(!node());
     return createVisiblePosition(0, DOWNSTREAM);
 }
 
 CursorDirective RenderObject::getCursor(const LayoutPoint&, Cursor&) const
 {
     return SetCursorBasedOnStyle;
 }
 
+bool RenderObject::canUpdateSelectionOnRootLineBoxes()
+{
+    RenderBlock* containingBlock = this->containingBlock();
+    return containingBlock ? !containingBlock->needsLayout() : true;
+}
+
 #if ENABLE(SVG)
 
 RenderSVGResourceContainer* RenderObject::toRenderSVGResourceContainer()
 {
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 void RenderObject::setNeedsBoundariesUpdate()
 {
@@ skipping 66 matching lines @@
 {
     if (object1) {
         const WebCore::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif