Plumb whether or not a frame is in shadow DOM to the embedder.

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)
 {
-    WebRemoteFrameImpl* frame = new WebRemoteFrameImpl(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;
 #else
     return adoptRef(frame).leakRef();
 #endif
 }
 
-WebRemoteFrameImpl::WebRemoteFrameImpl(WebRemoteFrameClient* client)
-    : m_frameClient(this)
-    , m_client(client)
-#if ENABLE(OILPAN)
-    , m_selfKeepAlive(this)
-#endif
-{
-}
-
 WebRemoteFrameImpl::~WebRemoteFrameImpl()
 {
 }
 
 #if ENABLE(OILPAN)
 DEFINE_TRACE(WebRemoteFrameImpl)
 {
     visitor->trace(m_frame);
     visitor->trace(m_ownersForChildren);
     visitor->template registerWeakMembers<WebFrame, &WebFrame::clearWeakFrames>(this);
@@ skipping 658 matching lines @@
 }
 
 WebString WebRemoteFrameImpl::layerTreeAsText(bool showDebugInfo) const
 {
     ASSERT_NOT_REACHED();
     return WebString();
 }
 
 WebLocalFrame* WebRemoteFrameImpl::createLocalChild(const WebString& name, WebSandboxFlags sandboxFlags, WebFrameClient* client, WebFrame* previousSibling)
 {
-    WebLocalFrameImpl* child = toWebLocalFrameImpl(WebLocalFrame::create(client));
+    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)
 {
-    WebRemoteFrameImpl* child = toWebRemoteFrameImpl(WebRemoteFrame::create(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;
 }
 
 void WebRemoteFrameImpl::setCoreFrame(PassRefPtrWillBeRawPtr<RemoteFrame> frame)
 {
     m_frame = frame;
@@ skipping 47 matching lines @@
 void WebRemoteFrameImpl::didStopLoading()
 {
     frame()->setIsLoading(false);
     if (parent() && parent()->isWebLocalFrame()) {
         WebLocalFrameImpl* parentFrame =
             toWebLocalFrameImpl(parent()->toWebLocalFrame());
         parentFrame->frame()->loader().checkCompleted();
     }
 }
 
+WebRemoteFrameImpl::WebRemoteFrameImpl(WebTreeScopeType scope, WebRemoteFrameClient* client)
+    : WebRemoteFrame(scope)
+    , m_frameClient(this)
+    , m_client(client)
+#if ENABLE(OILPAN)
+    , m_selfKeepAlive(this)
+#endif
+{
+}
+
 } // namespace blink