Delete paint invalidation rect tracking.

sky/engine/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 671 matching lines @@
 void WebViewImpl::paint(WebCanvas* canvas, const WebRect& rect)
 {
     double paintStart = currentTime();
     PageWidgetDelegate::paint(m_page.get(), canvas, rect, isTransparent() ? PageWidgetDelegate::Translucent : PageWidgetDelegate::Opaque);
     double paintEnd = currentTime();
     double pixelsPerSec = (rect.width * rect.height) / (paintEnd - paintStart);
     Platform::current()->histogramCustomCounts("Renderer4.SoftwarePaintDurationMS", (paintEnd - paintStart) * 1000, 0, 120, 30);
     Platform::current()->histogramCustomCounts("Renderer4.SoftwarePaintMegapixPerSecond", pixelsPerSec / 1000000, 10, 210, 30);
 }
 
-bool WebViewImpl::isTrackingRepaints() const
-{
-    if (!page())
-        return false;
-    FrameView* view = page()->mainFrame()->view();
-    return view->isTrackingPaintInvalidations();
-}
-
 const WebInputEvent* WebViewImpl::m_currentInputEvent = 0;
 
 // FIXME: autogenerate this kind of code, and use it throughout Blink rather than
 // the one-offs for subsets of these values.
 static String inputTypeToName(WebInputEvent::Type type)
 {
     switch (type) {
     case WebInputEvent::MouseDown:
         return EventTypeNames::mousedown;
     case WebInputEvent::MouseUp:
@@ skipping 731 matching lines @@
 void WebViewImpl::setVisibilityState(WebPageVisibilityState visibilityState,
                                      bool isInitialState) {
     if (!page())
         return;
 
     ASSERT(visibilityState == WebPageVisibilityStateVisible || visibilityState == WebPageVisibilityStateHidden);
     m_page->setVisibilityState(static_cast<PageVisibilityState>(static_cast<int>(visibilityState)), isInitialState);
 }
 
 } // namespace blink