Plumb the correct owner document through DocumentInit::m_owner.

third_party/WebKit/Source/web/tests/FrameTestHelpers.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 60 matching lines @@
 void reloadFrame(WebFrame*);
 void reloadFrameIgnoringCache(WebFrame*);
 
 // Pumps pending resource requests while waiting for a frame to load. Don't use
 // this. Use one of the above helpers.
 void pumpPendingRequestsDoNotUse(WebFrame*);
 
 // Calls WebRemoteFrame::createLocalChild, but with some arguments prefilled
 // with default test values (i.e. with a default |client| or |properties| and/or
 // with a precalculated |uniqueName|).
-WebLocalFrame* createLocalChild(WebRemoteFrame* parent, const WebString& name = WebString::fromUTF8("frameName"), WebFrameClient* = nullptr, WebFrame* previousSibling = nullptr, const WebFrameOwnerProperties& = WebFrameOwnerProperties());
+WebLocalFrame* createLocalChild(WebRemoteFrame* parent, const WebString& name = WebString(), WebFrameClient* = nullptr, WebFrame* previousSibling = nullptr, const WebFrameOwnerProperties& = WebFrameOwnerProperties());
+WebRemoteFrame* createRemoteChild(WebRemoteFrame* parent, WebRemoteFrameClient*, const WebString& name = WebString());
 
 class SettingOverrider {
 public:
     virtual void overrideSettings(WebSettings*) = 0;
 };
 
 // Forces to use mocked overlay scrollbars instead of the default native theme scrollbars to avoid
 // crash in Chromium code when it tries to load UI resources that are not available when running
 // blink unit tests, and to ensure consistent layout regardless of differences between scrollbar themes.
 // WebViewHelper includes this, so this is only needed if a test doesn't use WebViewHelper or the test
@@ skipping 36 matching lines @@
     bool m_animationScheduled;
 };
 
 // Convenience class for handling the lifetime of a WebView and its associated mainframe in tests.
 class WebViewHelper {
     WTF_MAKE_NONCOPYABLE(WebViewHelper);
 public:
     WebViewHelper(SettingOverrider* = 0);
     ~WebViewHelper();
 
-    // Creates and initializes the WebView. Implicitly calls reset() first. IF a
-    // WebFrameClient or a WebViewClient are passed in, they must outlive the
+    // Creates and initializes the WebView. Implicitly calls reset() first. If
+    // a WebFrameClient or a WebViewClient are passed in, they must outlive the
     // WebViewHelper.
+    WebViewImpl* initializeWithOpener(WebFrame* opener, bool enableJavascript = false, TestWebFrameClient* = nullptr, TestWebViewClient* = nullptr, void (*updateSettingsFunc)(WebSettings*) = nullptr);
+
+    // Same as initializeWithOpener(), but always sets the opener to null.
     WebViewImpl* initialize(bool enableJavascript = false, TestWebFrameClient* = 0, TestWebViewClient* = 0, void (*updateSettingsFunc)(WebSettings*) = 0);
 
     // Same as initialize() but also performs the initial load of the url. Only
     // returns once the load is complete.
     WebViewImpl* initializeAndLoad(const std::string& url, bool enableJavascript = false, TestWebFrameClient* = 0, TestWebViewClient* = 0, void (*updateSettingsFunc)(WebSettings*) = 0);
 
     void resize(WebSize);
 
     void reset();
 
@@ skipping 43 matching lines @@
         WebDOMMessageEvent) override { }
 
 private:
     RawPtrWillBePersistent<WebRemoteFrameImpl> const m_frame;
 };
 
 } // namespace FrameTestHelpers
 } // namespace blink
 
 #endif // FrameTestHelpers_h