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

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
diff --git a/content/browser/renderer_host/render_view_host_delegate.h b/content/browser/renderer_host/render_view_host_delegate.h
index 8a4bb7ffd853119d9504cb0b16dc6e9fa892220e..e0faaa3925b0c79a5687c55fbef5a8c95a74db67 100644
--- a/content/browser/renderer_host/render_view_host_delegate.h
+++ b/content/browser/renderer_host/render_view_host_delegate.h
@@ -27,6 +27,7 @@ class SkBitmap;
 class TabContents;
 class WebKeyboardEvent;
 struct ContextMenuParams;
+struct GlobalRequestID;
 struct NativeWebKeyboardEvent;
 struct ViewHostMsg_CreateWindow_Params;
 struct ViewHostMsg_FrameNavigate_Params;
@@ -276,6 +277,13 @@ class CONTENT_EXPORT RenderViewHostDelegate : public IPC::Channel::Listener {
                               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,