Prevent the browser process from creating duplicate RenderViewHosts.

content/test/test_web_contents.cc

 // Copyright (c) 2012 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.
 
 #include "content/test/test_web_contents.h"
 
 #include <utility>
 
 #include "content/browser/browser_url_handler_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
@@ skipping 201 matching lines @@
     const GURL& url,
     bool is_main_frame,
     int error_code,
     const string16& error_description) {
   ViewHostMsg_DidFailLoadWithError msg(
       0, frame_id, url, is_main_frame, error_code, error_description);
   OnMessageReceived(GetRenderViewHost(), msg);
 }
 
 void TestWebContents::CreateNewWindow(
+    int render_process_id,
     int route_id,
     int main_frame_route_id,
     const ViewHostMsg_CreateWindow_Params& params,
     SessionStorageNamespace* session_storage_namespace) {
 }
 
 void TestWebContents::CreateNewWidget(int route_id,
                                       blink::WebPopupType popup_type) {
 }
 
 void TestWebContents::CreateNewFullscreenWidget(int route_id) {
 }
 
 void TestWebContents::ShowCreatedWindow(int route_id,
                                         WindowOpenDisposition disposition,
                                         const gfx::Rect& initial_pos,
                                         bool user_gesture) {
 }
 
 void TestWebContents::ShowCreatedWidget(int route_id,
                                         const gfx::Rect& initial_pos) {
 }
 
 void TestWebContents::ShowCreatedFullscreenWidget(int route_id) {
 }
 
 }  // namespace content