Implement the onBeforeRetarget event of the webNavigation API

chrome/browser/renderer_host/render_widget_helper.h

 // Copyright (c) 2006-2008 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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_
 #pragma once
 
 #include <map>
 
 #include "app/surface/transport_dib.h"
 #include "base/atomic_sequence_num.h"
 #include "base/hash_tables.h"
 #include "base/process.h"
 #include "base/ref_counted.h"
 #include "base/lock.h"
 #include "base/synchronization/waitable_event.h"
 #include "chrome/common/window_container_type.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupType.h"
 
 namespace IPC {
 class Message;
 }
 
 namespace base {
 class TimeDelta;
 }
 
 class ResourceDispatcherHost;
+struct ViewHostMsg_CreateWindow_Params;
 struct ViewMsg_ClosePage_Params;
 
+
 // Instantiated per RenderProcessHost to provide various optimizations on
 // behalf of a RenderWidgetHost.  This class bridges between the IO thread
 // where the RenderProcessHost's MessageFilter lives and the UI thread where
 // the RenderWidgetHost lives.
 //
 //
 // OPTIMIZED RESIZE
 //
 //   RenderWidgetHelper is used to implement optimized resize.  When the
 //   RenderWidgetHost is resized, it sends a Resize message to its RenderWidget
@@ skipping 72 matching lines @@
   // Given the id of a transport DIB, return a mapping to it or NULL on error.
   TransportDIB* MapTransportDIB(TransportDIB::Id dib_id);
 #endif
 
 
   // IO THREAD ONLY -----------------------------------------------------------
 
   // Called on the IO thread when a UpdateRect message is received.
   void DidReceiveUpdateMsg(const IPC::Message& msg);
 
-  void CreateNewWindow(int opener_id,
-                       bool user_gesture,
-                       WindowContainerType window_container_type,
-                       const string16& frame_name,
+  void CreateNewWindow(const ViewHostMsg_CreateWindow_Params& params,
                        base::ProcessHandle render_process,
                        int* route_id);
   void CreateNewWidget(int opener_id,
                        WebKit::WebPopupType popup_type,
                        int* route_id);
   void CreateNewFullscreenWidget(int opener_id,
                                  WebKit::WebPopupType popup_type,
                                  int* route_id);
 
 #if defined(OS_MACOSX)
@@ skipping 22 matching lines @@
 
   ~RenderWidgetHelper();
 
   // Called on the UI thread to discard a paint message.
   void OnDiscardUpdateMsg(UpdateMsgProxy* proxy);
 
   // Called on the UI thread to dispatch a paint message if necessary.
   void OnDispatchUpdateMsg(UpdateMsgProxy* proxy);
 
   // Called on the UI thread to finish creating a window.
-  void OnCreateWindowOnUI(int opener_id,
-                          int route_id,
-                          WindowContainerType window_container_type,
-                          string16 frame_name);
+  void OnCreateWindowOnUI(const ViewHostMsg_CreateWindow_Params& params,
+                          int route_id);
 
   // Called on the IO thread after a window was created on the UI thread.
   void OnCreateWindowOnIO(int route_id);
 
   // Called on the UI thread to finish creating a widget.
   void OnCreateWidgetOnUI(int opener_id,
                           int route_id,
                           WebKit::WebPopupType popup_type);
 
   // Called on the UI thread to create a full screen widget.
@@ skipping 30 matching lines @@
 
   // The next routing id to use.
   base::AtomicSequenceNumber next_routing_id_;
 
   ResourceDispatcherHost* resource_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHelper);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HELPER_H_