Index: content/browser/host_zoom_map_impl.h |
diff --git a/content/browser/host_zoom_map_impl.h b/content/browser/host_zoom_map_impl.h |
index 7840188c0d747399cd59fbb42d0871237aafe74f..2de982f5b99ae4b805bbb699ae6d3ef3eee11feb 100644 |
--- a/content/browser/host_zoom_map_impl.h |
+++ b/content/browser/host_zoom_map_impl.h |
@@ -34,6 +34,10 @@ class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap), |
virtual void SetZoomLevel(const std::string& host, double level) OVERRIDE; |
virtual double GetDefaultZoomLevel() const OVERRIDE; |
virtual void SetDefaultZoomLevel(double level) OVERRIDE; |
+ virtual void AddZoomLevelChangedCallback( |
+ ZoomLevelChangedCallback callback) OVERRIDE; |
+ virtual void RemoveZoomLevelChangedCallback( |
+ ZoomLevelChangedCallback callback) OVERRIDE; |
// Returns the temporary zoom level that's only valid for the lifetime of |
// the given WebContents (i.e. isn't saved and doesn't affect other |
@@ -59,6 +63,9 @@ class CONTENT_EXPORT HostZoomMapImpl : public NON_EXPORTED_BASE(HostZoomMap), |
private: |
typedef std::map<std::string, double> HostZoomLevels; |
+ // Callbacks called when zoom level changes. |
+ std::vector<ZoomLevelChangedCallback> zoom_level_changed_callbacks_; |
+ |
// Copy of the pref data, so that we can read it on the IO thread. |
HostZoomLevels host_zoom_levels_; |
double default_zoom_level_; |