Plumb initiator out of Blink.

third_party/WebKit/Source/web/RemoteFrameClientImpl.h

 // 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.
 
 #ifndef RemoteFrameClientImpl_h
 #define RemoteFrameClientImpl_h
 
 #include "core/frame/RemoteFrameClient.h"
 
 namespace blink {
@@ skipping 11 matching lines @@
   void detached(FrameDetachType) override;
   Frame* opener() const override;
   void setOpener(Frame*) override;
   Frame* parent() const override;
   Frame* top() const override;
   Frame* nextSibling() const override;
   Frame* firstChild() const override;
   void frameFocused() const override;
 
   // RemoteFrameClient overrides:
-  void navigate(const ResourceRequest&,
+  void navigate(Document* originDocument,
+                const ResourceRequest&,
                 bool shouldReplaceCurrentEntry) override;
   void reload(FrameLoadType, ClientRedirectPolicy) override;
   unsigned backForwardLength() override;
   void forwardPostMessage(MessageEvent*,
                           PassRefPtr<SecurityOrigin> target,
                           LocalFrame* source) const override;
   void frameRectsChanged(const IntRect& frameRect) override;
   void updateRemoteViewportIntersection(const IntRect&) override;
   void advanceFocus(WebFocusType, LocalFrame*) override;
   void visibilityChanged(bool visible) override;
 
   WebRemoteFrameImpl* webFrame() const { return m_webFrame; }
 
  private:
   explicit RemoteFrameClientImpl(WebRemoteFrameImpl*);
 
   Member<WebRemoteFrameImpl> m_webFrame;
 };
 
 }  // namespace blink
 
 #endif  // RemoteFrameClientImpl_h