Move SetReferrerForRequest method from WebFrame to WebLocalFrame.

third_party/WebKit/public/web/WebRemoteFrameClient.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 WebRemoteFrameClient_h
 #define WebRemoteFrameClient_h
 
 #include "public/platform/WebFocusType.h"
 #include "public/platform/WebSecurityOrigin.h"
 #include "public/web/WebDOMMessageEvent.h"
 #include "public/web/WebFrame.h"
 
 namespace blink {
 enum class WebClientRedirectPolicy;
 enum class WebFrameLoadType;
+class WebURLRequest;
 struct WebRect;
 
 class WebRemoteFrameClient {
  public:
   // Specifies the reason for the detachment.
   enum class DetachType { kRemove, kSwap };
 
   // Notify the embedder that it should remove this frame from the frame tree
   // and release any resources associated with it.
   virtual void FrameDetached(DetachType) {}
@@ skipping 27 matching lines @@
   // response to <tab>) and encounters a remote frame.
   virtual void AdvanceFocus(WebFocusType type, WebLocalFrame* source) {}
 
   // This frame was focused by another frame.
   virtual void FrameFocused() {}
 };
 
 }  // namespace blink
 
 #endif  // WebRemoteFrameClient_h