Show Zoom Levels as content settings

content/browser/host_zoom_map_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 CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_
 #define CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 15 matching lines @@
                                        public base::SupportsUserData::Data {
  public:
   HostZoomMapImpl();
   virtual ~HostZoomMapImpl();
 
   // HostZoomMap implementation:
   virtual void CopyFrom(HostZoomMap* copy) OVERRIDE;
   virtual double GetZoomLevelForHostAndScheme(
       const std::string& scheme,
       const std::string& host) const OVERRIDE;
+  virtual ZoomLevelVector GetAllZoomLevels() const OVERRIDE;
   virtual void SetZoomLevelForHost(
       const std::string& host,
       double level) OVERRIDE;
   virtual void SetZoomLevelForHostAndScheme(
       const std::string& scheme,
       const std::string& host,
       double level) OVERRIDE;
   virtual double GetDefaultZoomLevel() const OVERRIDE;
   virtual void SetDefaultZoomLevel(double level) OVERRIDE;
   virtual scoped_ptr<Subscription> AddZoomLevelChangedCallback(
@@ skipping 50 matching lines @@
   mutable base::Lock lock_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(HostZoomMapImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_