Move guest_view to extensions.

chrome/browser/guest_view/web_view/web_view_renderer_state.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 CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_RENDERER_STATE_H_
 #define CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_RENDERER_STATE_H_
 
 #include <map>
 #include <string>
 #include <utility>
 
 #include "base/memory/singleton.h"
 
+namespace extensions {
+
 class WebViewGuest;
 
 // This class keeps track of <webview> renderer state for use on the IO thread.
 // All methods should be called on the IO thread.
 class WebViewRendererState {
  public:
   struct WebViewInfo {
     int embedder_process_id;
     int instance_id;
     std::string partition_id;
@@ skipping 39 matching lines @@
   void AddGuest(int render_process_host_id, int routing_id,
                 const WebViewInfo& webview_info);
   void RemoveGuest(int render_process_host_id, int routing_id);
 
   WebViewInfoMap webview_info_map_;
   WebViewPartitionIDMap webview_partition_id_map_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewRendererState);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_GUEST_VIEW_WEB_VIEW_WEB_VIEW_RENDERER_STATE_H_