RemoteBridgeFrameOwner: keep better track of the attached frame

third_party/WebKit/Source/web/WebLocalFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
index edb24e5fbff3bb4f5c975e8b8020842cb4b955e3..d99fe3b616ee57d65b5b08ecdf285f132ed3fb58 100644
--- a/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebLocalFrameImpl.cpp
@@ -1441,7 +1441,7 @@ WebLocalFrameImpl* WebLocalFrameImpl::createProvisional(WebFrameClient* client,
     // When a core Frame is created with no owner, it attempts to set itself as
     // the main frame of the Page. However, this is a provisional frame, and may
     // disappear, so Page::m_mainFrame can't be updated just yet.
-    OwnPtrWillBeRawPtr<FrameOwner> tempOwner = RemoteBridgeFrameOwner::create(nullptr, SandboxNone, WebFrameOwnerProperties());
+    OwnPtrWillBeRawPtr<FrameOwner> tempOwner = DummyFrameOwner::create();
     // TODO(dcheng): This block is very similar to initializeCoreFrame. Try to reuse it here.
     RefPtrWillBeRawPtr<LocalFrame> frame = LocalFrame::create(webFrame->m_frameLoaderClientImpl.get(), oldFrame->host(), tempOwner.get());
     // Set the name and unique name directly, bypassing any of the normal logic