Turn FrameView's paintBehavior into a real global

Source/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 1911 matching lines @@
 }
 
 #if OS(ANDROID)
 void WebViewImpl::paintCompositedDeprecated(WebCanvas* canvas, const WebRect& rect)
 {
     // Note: This method exists on OS(ANDROID) and will hopefully be
     //       removed once the link disambiguation feature renders using
     //       the compositor.
     ASSERT(isAcceleratedCompositingActive());
 
-    FrameView* view = page()->deprecatedLocalMainFrame()->view();
-    PaintBehavior oldPaintBehavior = view->paintBehavior();
-    view->setPaintBehavior(oldPaintBehavior | PaintBehaviorFlattenCompositingLayers);
+    gGlobalPaintFlags = GlobalPaintFlattenCompositingLayers;
 
     PageWidgetDelegate::paint(*m_page, pageOverlays(), canvas, rect, *m_page->deprecatedLocalMainFrame());
 
-    view->setPaintBehavior(oldPaintBehavior);
+    gGlobalPaintFlags = GlobalPaintNoFlag;
 }
 #endif
 
 void WebViewImpl::layoutAndPaintAsync(WebLayoutAndPaintAsyncCallback* callback)
 {
     m_layerTreeView->layoutAndPaintAsync(callback);
 }
 
 void WebViewImpl::compositeAndReadbackAsync(WebCompositeAndReadbackAsyncCallback* callback)
 {
@@ skipping 2444 matching lines @@
 {
     WebGLRenderingContext::forceNextWebGLContextCreationToFail();
 }
 
 void WebViewImpl::forceNextDrawingBufferCreationToFail()
 {
     DrawingBuffer::forceNextDrawingBufferCreationToFail();
 }
 
 } // namespace blink