Move creation and ownership of HostZoomMap to content instead of having every embedder do this.

chrome/browser/profiles/off_the_record_profile_impl.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 CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IMPL_H_
 #define CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IMPL_H_
 #pragma once
 
 #include <string>
 
@@ skipping 95 matching lines @@
 
   // content::BrowserContext implementation:
   virtual FilePath GetPath() OVERRIDE;
   virtual bool IsOffTheRecord() OVERRIDE;
   virtual content::DownloadManager* GetDownloadManager() OVERRIDE;
   virtual net::URLRequestContextGetter* GetRequestContext() OVERRIDE;
   virtual net::URLRequestContextGetter* GetRequestContextForRenderProcess(
       int renderer_child_id) OVERRIDE;
   virtual net::URLRequestContextGetter* GetRequestContextForMedia() OVERRIDE;
   virtual content::ResourceContext* GetResourceContext() OVERRIDE;
-  virtual content::HostZoomMap* GetHostZoomMap() OVERRIDE;
   virtual content::GeolocationPermissionContext*
       GetGeolocationPermissionContext() OVERRIDE;
   virtual content::SpeechInputPreferences* GetSpeechInputPreferences() OVERRIDE;
   virtual bool DidLastSessionExitCleanly() OVERRIDE;
   virtual quota::SpecialStoragePolicy* GetSpecialStoragePolicy() OVERRIDE;
 
   // content::NotificationObserver implementation.
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
@@ skipping 10 matching lines @@
   OffTheRecordProfileIOData::Handle io_data_;
 
   // Must be freed before |io_data_|. While |extension_process_manager_| still
   // lives, we handle incoming resource requests from extension processes and
   // those require access to the ResourceContext owned by |io_data_|.
   scoped_ptr<ExtensionProcessManager> extension_process_manager_;
 
   // We use a non-persistent content settings map for OTR.
   scoped_refptr<HostContentSettingsMap> host_content_settings_map_;
 
-  // Use a separate zoom map for OTR.
-  scoped_refptr<content::HostZoomMap> host_zoom_map_;
-
   // Time we were started.
   Time start_time_;
 
   FilePath last_selected_directory_;
 
   scoped_ptr<PrefProxyConfigTracker> pref_proxy_config_tracker_;
 
   scoped_ptr<ChromeURLDataManager> chrome_url_data_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(OffTheRecordProfileImpl);
 };
 
 #endif  // CHROME_BROWSER_PROFILES_OFF_THE_RECORD_PROFILE_IMPL_H_