Replicate whether a frame is in a document or shadow tree.

content/renderer/render_frame_proxy.cc

 // 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 "content/renderer/render_frame_proxy.h"
 
 #include <map>
 
 #include "base/lazy_instance.h"
 #include "content/child/webmessageportchannel_impl.h"
@@ skipping 21 matching lines @@
 
 // Facilitates lookup of RenderFrameProxy by WebFrame.
 typedef std::map<blink::WebFrame*, RenderFrameProxy*> FrameMap;
 base::LazyInstance<FrameMap> g_frame_map = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 // static
 RenderFrameProxy* RenderFrameProxy::CreateProxyToReplaceFrame(
     RenderFrameImpl* frame_to_replace,
-    int routing_id) {
+    int routing_id,
+    blink::WebTreeScopeType scope) {
   CHECK_NE(routing_id, MSG_ROUTING_NONE);
 
   scoped_ptr<RenderFrameProxy> proxy(
       new RenderFrameProxy(routing_id, frame_to_replace->GetRoutingID()));
 
   // When a RenderFrame is replaced by a RenderProxy, the WebRemoteFrame should
   // always come from WebRemoteFrame::create and a call to WebFrame::swap must
   // follow later.
-  blink::WebRemoteFrame* web_frame = blink::WebRemoteFrame::create(proxy.get());
+  blink::WebRemoteFrame* web_frame =
+      blink::WebRemoteFrame::create(scope, proxy.get());
   proxy->Init(web_frame, frame_to_replace->render_view());
   return proxy.release();
 }
 
 RenderFrameProxy* RenderFrameProxy::CreateFrameProxy(
     int routing_id,
     int parent_routing_id,
     int render_view_routing_id,
     const FrameReplicationState& replicated_state) {
   scoped_ptr<RenderFrameProxy> proxy(
       new RenderFrameProxy(routing_id, MSG_ROUTING_NONE));
   RenderViewImpl* render_view = NULL;
   blink::WebRemoteFrame* web_frame = NULL;
   if (parent_routing_id == MSG_ROUTING_NONE) {
     // Create a top level frame.
     render_view = RenderViewImpl::FromRoutingID(render_view_routing_id);
-    web_frame = blink::WebRemoteFrame::create(proxy.get());
+    web_frame =
+        blink::WebRemoteFrame::create(replicated_state.scope, proxy.get());
     render_view->webview()->setMainFrame(web_frame);
   } else {
     // Create a frame under an existing parent. The parent is always expected
     // to be a RenderFrameProxy, because navigations initiated by local frames
     // should not wind up here.
     RenderFrameProxy* parent =
         RenderFrameProxy::FromRoutingID(parent_routing_id);
     web_frame = parent->web_frame()->createRemoteChild(
+        replicated_state.scope,
         blink::WebString::fromUTF8(replicated_state.name),
         RenderFrameImpl::ContentToWebSandboxFlags(
             replicated_state.sandbox_flags),
         proxy.get());
     render_view = parent->render_view();
   }
 
   proxy->Init(web_frame, render_view);
 
   // Initialize proxy's WebRemoteFrame with the security origin and other
   // replicated information.
+  // TODO(dcheng): Calling this when parent_routing_id != MSG_ROUTING_NONE is
+  // mostly redundant, since we already pass the name and sandbox flags in
+  // createLocalChild(). We should update the Bilnk interface so it also takes

[Charlie Reis, 2015/05/21 23:18:17]

nit: Blink

[dcheng, 2015/05/22 01:24:14]

Dnoe.

+  // the origin. Then it will be clear that the replication call is only needed
+  // for the case of setting up a main frame proxy.
   proxy->SetReplicatedState(replicated_state);
 
   return proxy.release();
 }
 
 // static
 RenderFrameProxy* RenderFrameProxy::FromRoutingID(int32 routing_id) {
   RoutingIDProxyMap* proxies = g_routing_id_proxy_map.Pointer();
   RoutingIDProxyMap::iterator it = proxies->find(routing_id);
   return it == proxies->end() ? NULL : it->second;
@@ skipping 282 matching lines @@
       blink::WebUserGestureIndicator::isProcessingUserGesture();
   blink::WebUserGestureIndicator::consumeUserGesture();
   Send(new FrameHostMsg_OpenURL(routing_id_, params));
 }
 
 void RenderFrameProxy::forwardInputEvent(const blink::WebInputEvent* event) {
   Send(new FrameHostMsg_ForwardInputEvent(routing_id_, event));
 }
 
 }  // namespace