Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 221 matching lines @@
         if (mainFrame()->document())
             mainFrame()->document()->mediaQueryAffectingValueChanged();
         setNeedsRecalcStyleInAllFrames();
         break;
     }
 }
 
 void Page::didCommitLoad(LocalFrame* frame)
 {
     lifecycleNotifier().notifyDidCommitLoad(frame);
-    if (m_mainFrame == frame)
-        frame->console().clearMessages();
 }
 
 void Page::acceptLanguagesChanged()
 {
     mainFrame()->domWindow()->acceptLanguagesChanged();
 }
 
 PageLifecycleNotifier& Page::lifecycleNotifier()
 {
     return static_cast<PageLifecycleNotifier&>(LifecycleContext<Page>::lifecycleNotifier());
@@ skipping 93 matching lines @@
     , editorClient(0)
     , spellCheckerClient(0)
 {
 }
 
 Page::PageClients::~PageClients()
 {
 }
 
 } // namespace blink