Allow zooming error pages.

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 68 matching lines @@
   //
   // This may be called on any thread.
   double GetTemporaryZoomLevel(int render_process_id,
                                int render_view_id) const;
 
   // NotificationObserver implementation.
   void Observe(int type,
                const NotificationSource& source,
                const NotificationDetails& details) override;
 
+  void SendErrorPageZoomLevelRefresh();
+
  private:
   typedef std::map<std::string, double> HostZoomLevels;
   typedef std::map<std::string, HostZoomLevels> SchemeHostZoomLevels;
 
   struct RenderViewKey {
     int render_process_id;
     int render_view_id;
     RenderViewKey(int render_process_id, int render_view_id)
         : render_process_id(render_process_id),
           render_view_id(render_view_id) {}
@@ skipping 33 matching lines @@
   mutable base::Lock lock_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(HostZoomMapImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_HOST_ZOOM_MAP_IMPL_H_