Implement the onBeforeRetarget event of the webNavigation API

chrome/renderer/render_view.cc

 // 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.
 
 #include "chrome/renderer/render_view.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 2055 matching lines @@
   // This window can't be closed from a window.close() call until we receive a
   // message from the Browser process explicitly allowing it.
   script_can_close_ = false;
 
   ViewHostMsg_CreateWindow_Params params;
   params.opener_id = routing_id_;
   params.user_gesture = creator->isProcessingUserGesture();
   params.window_container_type = WindowFeaturesToContainerType(features);
   params.session_storage_namespace_id = session_storage_namespace_id_;
   params.frame_name = frame_name;
+  params.opener_frame_id = creator->identifier();
+  params.opener_url = creator->url();
+  if (!request.isNull())
+    params.target_url = request.url();
 
   int32 routing_id = MSG_ROUTING_NONE;
   int64 cloned_session_storage_namespace_id;
   bool opener_suppressed = creator->willSuppressOpenerInNewFrame();
 
   render_thread_->Send(
       new ViewHostMsg_CreateWindow(params,
                                    &routing_id,
                                    &cloned_session_storage_namespace_id));
   if (routing_id == MSG_ROUTING_NONE)
@@ skipping 3628 matching lines @@
   if (cmd == kJavaScriptStressTestSetStressRunType) {
     v8::Testing::SetStressRunType(static_cast<v8::Testing::StressType>(param));
   } else if (cmd == kJavaScriptStressTestPrepareStressRun) {
     v8::Testing::PrepareStressRun(param);
   }
 }
 
 void RenderView::OnContextMenuClosed() {
   context_menu_node_.reset();
 }