Revert of Update Blink to use the tree scope info on WebFrame for scoping checks.

Source/web/WebRemoteFrameImpl.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "web/WebRemoteFrameImpl.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/Settings.h"
 #include "core/page/Page.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebFloatRect.h"
 #include "public/platform/WebRect.h"
 #include "public/web/WebDocument.h"
 #include "public/web/WebPerformance.h"
 #include "public/web/WebRange.h"
 #include "public/web/WebTreeScopeType.h"
 #include "web/RemoteBridgeFrameOwner.h"
 #include "web/WebViewImpl.h"
 #include <v8/include/v8.h>
 
 namespace blink {
 
+WebRemoteFrame* WebRemoteFrame::create(WebRemoteFrameClient* client)
+{
+    return WebRemoteFrame::create(WebTreeScopeType::Document, client);
+}
+
 WebRemoteFrame* WebRemoteFrame::create(WebTreeScopeType scope, WebRemoteFrameClient* client)
 {
     return WebRemoteFrameImpl::create(scope, client);
 }
 
 WebRemoteFrame* WebRemoteFrameImpl::create(WebTreeScopeType scope, WebRemoteFrameClient* client)
 {
     WebRemoteFrameImpl* frame = new WebRemoteFrameImpl(scope, client);
 #if ENABLE(OILPAN)
     return frame;
@@ skipping 671 matching lines @@
     ASSERT_NOT_REACHED();
     return false;
 }
 
 WebString WebRemoteFrameImpl::layerTreeAsText(bool showDebugInfo) const
 {
     ASSERT_NOT_REACHED();
     return WebString();
 }
 
+WebLocalFrame* WebRemoteFrameImpl::createLocalChild(const WebString& name, WebSandboxFlags sandboxFlags, WebFrameClient* client, WebFrame* previousSibling)
+{
+    return createLocalChild(WebTreeScopeType::Document, name, sandboxFlags, client, previousSibling);
+}
+
 WebLocalFrame* WebRemoteFrameImpl::createLocalChild(WebTreeScopeType scope, const WebString& name, WebSandboxFlags sandboxFlags, WebFrameClient* client, WebFrame* previousSibling)
 {
     WebLocalFrameImpl* child = toWebLocalFrameImpl(WebLocalFrame::create(scope, client));
     WillBeHeapHashMap<WebFrame*, OwnPtrWillBeMember<FrameOwner>>::AddResult result =
         m_ownersForChildren.add(child, RemoteBridgeFrameOwner::create(child, static_cast<SandboxFlags>(sandboxFlags)));
     insertAfter(child, previousSibling);
     // FIXME: currently this calls LocalFrame::init() on the created LocalFrame, which may
     // result in the browser observing two navigations to about:blank (one from the initial
     // frame creation, and one from swapping it into the remote process). FrameLoader might
     // need a special initialization function for this case to avoid that duplicate navigation.
     child->initializeCoreFrame(frame()->host(), result.storedValue->value.get(), name, nullAtom);
     // Partially related with the above FIXME--the init() call may trigger JS dispatch. However,
     // if the parent is remote, it should never be detached synchronously...
     ASSERT(child->frame());
     return child;
 }
 
 
 void WebRemoteFrameImpl::initializeCoreFrame(FrameHost* host, FrameOwner* owner, const AtomicString& name)
 {
     setCoreFrame(RemoteFrame::create(&m_frameClient, host, owner));
     frame()->createView();
     m_frame->tree().setName(name, nullAtom);
 }
 
+WebRemoteFrame* WebRemoteFrameImpl::createRemoteChild(const WebString& name, WebSandboxFlags sandboxFlags, WebRemoteFrameClient* client)
+{
+    return createRemoteChild(WebTreeScopeType::Document, name, sandboxFlags, client);
+}
+
 WebRemoteFrame* WebRemoteFrameImpl::createRemoteChild(WebTreeScopeType scope, const WebString& name, WebSandboxFlags sandboxFlags, WebRemoteFrameClient* client)
 {
     WebRemoteFrameImpl* child = toWebRemoteFrameImpl(WebRemoteFrame::create(scope, client));
     WillBeHeapHashMap<WebFrame*, OwnPtrWillBeMember<FrameOwner>>::AddResult result =
         m_ownersForChildren.add(child, RemoteBridgeFrameOwner::create(nullptr, static_cast<SandboxFlags>(sandboxFlags)));
     appendChild(child);
     child->initializeCoreFrame(frame()->host(), result.storedValue->value.get(), name);
     return child;
 }
 
@@ skipping 61 matching lines @@
     : WebRemoteFrame(scope)
     , m_frameClient(this)
     , m_client(client)
 #if ENABLE(OILPAN)
     , m_selfKeepAlive(this)
 #endif
 {
 }
 
 } // namespace blink