Browser Plugin: Move to old namespace

content/browser/browser_plugin/old/browser_plugin_host_helper.h

 // 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.
 
 #ifndef CONTENT_BROWSER_BROWSER_PLUGIN_OLD_BROWSER_PLUGIN_HOST_HELPER_H__
 #define CONTENT_BROWSER_BROWSER_PLUGIN_OLD_BROWSER_PLUGIN_HOST_HELPER_H__
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "content/public/browser/render_view_host_observer.h"
 #include "ipc/ipc_channel_handle.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace content {
+namespace old {
 
 class BrowserPluginHost;
 
 // This class acts as a plumber helper for BrowserPluginHost. A lot
 // of messages coming from guests need to know the guest's RenderViewHost.
 // BrowserPluginHostHelper handles BrowserPluginHost messages and relays
 // them with their associated RenderViewHosts to BrowserPluginHost where they
 // will be handled.
 class BrowserPluginHostHelper : public RenderViewHostObserver {
  public:
   BrowserPluginHostHelper(BrowserPluginHost* browser_plugin_host,
                           RenderViewHost* render_view_host);
   virtual ~BrowserPluginHostHelper();
 
  private:
   void OnConnectToChannel(const IPC::ChannelHandle& channel_handle);
   void OnNavigateGuestFromEmbedder(int container_instance_id,
                                    long long frame_id,
                                    const std::string& src);
   void OnResizeGuest(int width, int height);
 
   // RenderViewHostObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   BrowserPluginHost* browser_plugin_host_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginHostHelper);
 };
 
+}  // namespace old
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_PLUGIN_OLD_BROWSER_PLUGIN_HOST_HELPER_H__