Attach a WebLayer to a frame element for out-of-process iframes.

Source/core/frame/Frame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 47 matching lines @@
 #include "core/frame/animation/AnimationController.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "core/platform/DragImage.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/RenderLayerCompositor.h"
 #include "core/rendering/RenderPart.h"
 #include "core/rendering/RenderView.h"
 #include "core/svg/SVGDocument.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/ImageBuffer.h"
+#include "public/platform/WebLayer.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefCountedLeakCounter.h"
 #include "wtf/StdLibExtras.h"
 
 using namespace std;
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
@@ skipping 34 matching lines @@
     , m_eventHandler(adoptPtr(new EventHandler(this)))
     , m_animationController(adoptPtr(new AnimationController(this)))
     , m_inputMethodController(InputMethodController::create(*this))
     , m_frameInit(frameInit)
     , m_pageZoomFactor(parentPageZoomFactor(this))
     , m_textZoomFactor(parentTextZoomFactor(this))
 #if ENABLE(ORIENTATION_EVENTS)
     , m_orientation(0)
 #endif
     , m_inViewSourceMode(false)
+    , m_remotePlatformLayer(0)
 {
     ASSERT(m_page);
 
     if (ownerElement()) {
         m_page->incrementSubframeCount();
         ownerElement()->setContentFrame(*this);
     }
 
 #ifndef NDEBUG
     frameCounter.increment();
@@ skipping 563 matching lines @@
     if (!m_page)
         return 0;
 
     double ratio = m_page->deviceScaleFactor();
     if (RuntimeEnabledFeatures::devicePixelRatioIncludesZoomEnabled())
         ratio *= pageZoomFactor();
     return ratio;
 }
 
 } // namespace WebCore