Fix a bug where redirect chain gets lost on process swap.

content/browser/renderer_host/render_view_host_delegate.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/i18n/rtl.h"
 #include "base/process_util.h"
 #include "base/string16.h"
 #include "content/common/content_export.h"
 #include "content/public/common/view_type.h"
 #include "ipc/ipc_channel.h"
 #include "net/base/load_states.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class GURL;
 class RenderViewHost;
 class SkBitmap;
 class TabContents;
 class WebKeyboardEvent;
 struct ContextMenuParams;
+struct GlobalRequestID;
 struct NativeWebKeyboardEvent;
 struct ViewHostMsg_CreateWindow_Params;
 struct ViewHostMsg_FrameNavigate_Params;
 struct WebDropData;
 struct WebMenuItem;
 struct WebPreferences;
 
 namespace base {
 class ListValue;
 }
@@ skipping 229 matching lines @@
   virtual void DocumentOnLoadCompletedInMainFrame(
       RenderViewHost* render_view_host,
       int32 page_id) {}
 
   // The page wants to open a URL with the specified disposition.
   virtual void RequestOpenURL(const GURL& url,
                               const GURL& referrer,
                               WindowOpenDisposition disposition,
                               int64 source_frame_id) {}
 
+  // The page wants to transfer the request to a new renderer.
+  virtual void RequestTransferURL(const GURL& url,
+                                  const GURL& referrer,
+                                  WindowOpenDisposition disposition,
+                                  int64 source_frame_id,
+                                  const GlobalRequestID& old_request_id) {}
+
   // A javascript message, confirmation or prompt should be shown.
   virtual void RunJavaScriptMessage(const RenderViewHost* rvh,
                                     const string16& message,
                                     const string16& default_prompt,
                                     const GURL& frame_url,
                                     const int flags,
                                     IPC::Message* reply_msg,
                                     bool* did_suppress_message) {}
 
   virtual void RunBeforeUnloadConfirm(const RenderViewHost* rvh,
@@ skipping 91 matching lines @@
   virtual void RequestToLockMouse() {}
 
   // Notification that the view has lost the mouse lock.
   virtual void LostMouseLock() {}
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_