Remove more scrolling code from Sky

sky/engine/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 76 matching lines @@
     if (m_webFrame->client())
         m_webFrame->client()->didCreateScriptContext(m_webFrame, context);
 }
 
 void FrameLoaderClientImpl::willReleaseScriptContext(v8::Handle<v8::Context> context)
 {
     if (m_webFrame->client())
         m_webFrame->client()->willReleaseScriptContext(m_webFrame, context);
 }
 
-void FrameLoaderClientImpl::didChangeScrollOffset()
-{
-    if (m_webFrame->client())
-        m_webFrame->client()->didChangeScrollOffset(m_webFrame);
-}
-
 void FrameLoaderClientImpl::detachedFromParent()
 {
     // Alert the client that the frame is being detached. This is the last
     // chance we have to communicate with the client.
     RefPtr<WebLocalFrameImpl> protector(m_webFrame);
 
     WebFrameClient* client = m_webFrame->client();
     if (!client)
         return;
 
@@ skipping 157 matching lines @@
         m_webFrame->client()->didLoseWebGLContext(m_webFrame, arbRobustnessContextLostReason);
 }
 
 void FrameLoaderClientImpl::dispatchDidChangeManifest()
 {
     if (m_webFrame->client())
         m_webFrame->client()->didChangeManifest(m_webFrame);
 }
 
 } // namespace blink