Plumb initiator out of Blink.

third_party/WebKit/Source/core/loader/EmptyClients.h

 /*
  * Copyright (C) 2006 Eric Seidel (eric@webkit.org)
  * Copyright (C) 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 263 matching lines @@
   void dispatchDidChangeIcons(IconType) override {}
   void dispatchDidCommitLoad(HistoryItem*, HistoryCommitType) override {}
   void dispatchDidFailProvisionalLoad(const ResourceError&,
                                       HistoryCommitType) override {}
   void dispatchDidFailLoad(const ResourceError&, HistoryCommitType) override {}
   void dispatchDidFinishDocumentLoad() override {}
   void dispatchDidFinishLoad() override {}
   void dispatchDidChangeThemeColor() override {}
 
   NavigationPolicy decidePolicyForNavigation(
+      Document* originDocument,
       const ResourceRequest&,
       DocumentLoader*,
       NavigationType,
       NavigationPolicy,
       bool,
       bool,
       HTMLFormElement*,
       ContentSecurityPolicyDisposition) override;
 
   void dispatchWillSendSubmitEvent(HTMLFormElement*) override;
   void dispatchWillSubmitForm(HTMLFormElement*) override;
 
   void didStartLoading(LoadStartType) override {}
   void progressEstimateChanged(double) override {}
   void didStopLoading() override {}
 
   void loadURLExternally(const ResourceRequest&,
                          NavigationPolicy,
                          const String&,
                          bool) override {}
   void loadErrorPage(int reason) override {}
 
   DocumentLoader* createDocumentLoader(LocalFrame*,
                                        const ResourceRequest&,
                                        const SubstituteData&,
-                                       ClientRedirectPolicy) override;
+                                       ClientRedirectPolicy,
+                                       Document* originDocument) override;
 
   String userAgent() override { return ""; }
 
   String doNotTrackValue() override { return String(); }
 
   void transitionToCommittedForNewPage() override {}
 
   bool navigateBackForward(int offset) const override { return false; }
   void didDisplayInsecureContent() override {}
   void didContainInsecureFormAction() override {}
@@ skipping 118 matching lines @@
 };
 
 class CORE_EXPORT EmptyRemoteFrameClient
     : NON_EXPORTED_BASE(public RemoteFrameClient) {
   WTF_MAKE_NONCOPYABLE(EmptyRemoteFrameClient);
 
  public:
   EmptyRemoteFrameClient();
 
   // RemoteFrameClient implementation.
-  void navigate(const ResourceRequest&,
+  void navigate(Document* originDocument,
+                const ResourceRequest&,
                 bool shouldReplaceCurrentEntry) override {}
   void reload(FrameLoadType, ClientRedirectPolicy) override {}
   unsigned backForwardLength() override { return 0; }
   void forwardPostMessage(MessageEvent*,
                           PassRefPtr<SecurityOrigin> target,
                           LocalFrame* sourceFrame) const override {}
   void frameRectsChanged(const IntRect& frameRect) override {}
   void updateRemoteViewportIntersection(
       const IntRect& viewportIntersection) override {}
   void advanceFocus(WebFocusType, LocalFrame* source) override {}
@@ skipping 10 matching lines @@
   Frame* nextSibling() const override { return nullptr; }
   Frame* firstChild() const override { return nullptr; }
   void frameFocused() const override {}
 };
 
 CORE_EXPORT void fillWithEmptyClients(Page::PageClients&);
 
 }  // namespace blink
 
 #endif  // EmptyClients_h