Delete a bunch of noop paint invalidation code.

sky/engine/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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 247 matching lines @@
             lineNumber,
             stackTrace);
     }
 }
 
 bool ChromeClientImpl::tabsToLinks()
 {
     return m_webView->tabsToLinks();
 }
 
-void ChromeClientImpl::invalidateContentsAndRootView(const IntRect& updateRect)
-{
-    if (updateRect.isEmpty())
-        return;
-    m_webView->invalidateRect(updateRect);
-}
-
-void ChromeClientImpl::invalidateContentsForSlowScroll(const IntRect& updateRect)
-{
-    invalidateContentsAndRootView(updateRect);
-}
-
 void ChromeClientImpl::scheduleAnimation()
 {
     m_webView->scheduleAnimation();
 }
 
 IntRect ChromeClientImpl::rootViewToScreen(const IntRect& rect) const
 {
     IntRect screenRect(rect);
 
     if (m_webView->client()) {
@@ skipping 98 matching lines @@
         webFrame->client()->forwardInputEvent(&webEvent);
     } else if (event->isWheelEvent()) {
         WebMouseWheelEventBuilder webEvent(webFrame->frameView(), 0, *static_cast<WheelEvent*>(event));
         if (webEvent.type == WebInputEvent::Undefined)
             return;
         webFrame->client()->forwardInputEvent(&webEvent);
     }
 }
 
 } // namespace blink