Cleanup RemotePlatformLayer when disconnecting RemoteFrame.

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 26 matching lines @@
 #include "core/frame/Settings.h"
 #include "core/html/HTMLFrameElementBase.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/EmptyClients.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/EventHandler.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
-#include "core/rendering/RenderLayer.h"
 #include "core/rendering/RenderPart.h"
-#include "platform/graphics/GraphicsLayer.h"
-#include "public/platform/WebLayer.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefCountedLeakCounter.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 DEFINE_DEBUG_ONLY_GLOBAL(WTF::RefCountedLeakCounter, frameCounter, ("Frame"));
 
 Frame::~Frame()
@@ skipping 196 matching lines @@
         return nullptr;
     // FIXME: If <object> is ever fixed to disassociate itself from frames
     // that it has started but canceled, then this can turn into an ASSERT
     // since ownerElement() would be 0 when the load is canceled.
     // https://bugs.webkit.org/show_bug.cgi?id=18585
     if (!object->isRenderPart())
         return nullptr;
     return toRenderPart(object);
 }
 
-void Frame::setRemotePlatformLayer(WebLayer* layer)
-{
-    if (m_remotePlatformLayer)
-        GraphicsLayer::unregisterContentsLayer(m_remotePlatformLayer);
-    m_remotePlatformLayer = layer;
-    if (m_remotePlatformLayer)
-        GraphicsLayer::registerContentsLayer(layer);
-
-    ASSERT(owner());
-    toHTMLFrameOwnerElement(owner())->setNeedsCompositingUpdate();
-    if (RenderPart* renderer = ownerRenderer())
-        renderer->layer()->updateSelfPaintingLayer();
-}
-
 Settings* Frame::settings() const
 {
     if (m_host)
         return &m_host->settings();
     return nullptr;
 }
 
 Frame::Frame(FrameClient* client, FrameHost* host, FrameOwner* owner)
     : m_treeNode(this)
     , m_host(host)
     , m_owner(owner)
     , m_client(client)
-    , m_remotePlatformLayer(nullptr)
     , m_isLoading(false)
 {
     ASSERT(page());
 
 #ifndef NDEBUG
     frameCounter.increment();
 #endif
 
     if (m_owner) {
         if (m_owner->isLocal())
             toHTMLFrameOwnerElement(m_owner)->setContentFrame(*this);
     } else {
         page()->setMainFrame(this);
     }
 }
 
 } // namespace blink