Pass the RenderProcessHost id on retargeting.

extensions/browser/guest_view/web_view/web_view_guest.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 EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 #define EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 225 matching lines @@
   void AddNewContents(content::WebContents* source,
                       content::WebContents* new_contents,
                       WindowOpenDisposition disposition,
                       const gfx::Rect& initial_rect,
                       bool user_gesture,
                       bool* was_blocked) final;
   content::WebContents* OpenURLFromTab(
       content::WebContents* source,
       const content::OpenURLParams& params) final;
   void WebContentsCreated(content::WebContents* source_contents,
+                          int opener_render_process_id,
                           int opener_render_frame_id,
                           const std::string& frame_name,
                           const GURL& target_url,
                           content::WebContents* new_contents) final;
   void EnterFullscreenModeForTab(content::WebContents* web_contents,
                                  const GURL& origin) final;
   void ExitFullscreenModeForTab(content::WebContents* web_contents) final;
   bool IsFullscreenForTabOrPending(
       const content::WebContents* web_contents) const final;
 
@@ skipping 128 matching lines @@
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<WebViewGuest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewGuest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_GUEST_H_