Plumb the correct owner document through DocumentInit::m_owner.

third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp b/third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp
index 4d67baee41a3d62ccabb12fe347adae16e3cca74..22a9e559fb9c9820e8a228e932bc8784db44cce6 100644
--- a/third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp
@@ -23,14 +23,15 @@
 
 namespace blink {
 
-WebRemoteFrame* WebRemoteFrame::create(WebTreeScopeType scope, WebRemoteFrameClient* client)
+WebRemoteFrame* WebRemoteFrame::create(WebTreeScopeType scope, WebRemoteFrameClient* client, WebFrame* opener)
 {
-    return WebRemoteFrameImpl::create(scope, client);
+    return WebRemoteFrameImpl::create(scope, client, opener);
 }
 
-WebRemoteFrameImpl* WebRemoteFrameImpl::create(WebTreeScopeType scope, WebRemoteFrameClient* client)
+WebRemoteFrameImpl* WebRemoteFrameImpl::create(WebTreeScopeType scope, WebRemoteFrameClient* client, WebFrame* opener)
 {
     WebRemoteFrameImpl* frame = new WebRemoteFrameImpl(scope, client);
+    frame->setOpener(opener);
 #if ENABLE(OILPAN)
     return frame;
 #else
@@ -607,9 +608,9 @@ WebString WebRemoteFrameImpl::layerTreeAsText(bool showDebugInfo) const
     return WebString();
 }
 
-WebLocalFrame* WebRemoteFrameImpl::createLocalChild(WebTreeScopeType scope, const WebString& name, const WebString& uniqueName, WebSandboxFlags sandboxFlags, WebFrameClient* client, WebFrame* previousSibling, const WebFrameOwnerProperties& frameOwnerProperties)
+WebLocalFrame* WebRemoteFrameImpl::createLocalChild(WebTreeScopeType scope, const WebString& name, const WebString& uniqueName, WebSandboxFlags sandboxFlags, WebFrameClient* client, WebFrame* previousSibling, const WebFrameOwnerProperties& frameOwnerProperties, WebFrame* opener)
 {
-    WebLocalFrameImpl* child = toWebLocalFrameImpl(WebLocalFrame::create(scope, client));
+    WebLocalFrameImpl* child = WebLocalFrameImpl::create(scope, client, opener);
     WillBeHeapHashMap<WebFrame*, OwnPtrWillBeMember<FrameOwner>>::AddResult result =
         m_ownersForChildren.add(child, RemoteBridgeFrameOwner::create(child, static_cast<SandboxFlags>(sandboxFlags), frameOwnerProperties));
     insertAfter(child, previousSibling);
@@ -631,9 +632,9 @@ void WebRemoteFrameImpl::initializeCoreFrame(FrameHost* host, FrameOwner* owner,
     m_frame->tree().setPrecalculatedName(name, uniqueName);
 }
 
-WebRemoteFrame* WebRemoteFrameImpl::createRemoteChild(WebTreeScopeType scope, const WebString& name, const WebString& uniqueName, WebSandboxFlags sandboxFlags, WebRemoteFrameClient* client)
+WebRemoteFrame* WebRemoteFrameImpl::createRemoteChild(WebTreeScopeType scope, const WebString& name, const WebString& uniqueName, WebSandboxFlags sandboxFlags, WebRemoteFrameClient* client, WebFrame* opener)
 {
-    WebRemoteFrameImpl* child = toWebRemoteFrameImpl(WebRemoteFrame::create(scope, client));
+    WebRemoteFrameImpl* child = WebRemoteFrameImpl::create(scope, client, opener);
     WillBeHeapHashMap<WebFrame*, OwnPtrWillBeMember<FrameOwner>>::AddResult result =
         m_ownersForChildren.add(child, RemoteBridgeFrameOwner::create(nullptr, static_cast<SandboxFlags>(sandboxFlags), WebFrameOwnerProperties()));
     appendChild(child);