Zoom Extension API

chrome/browser/extensions/api/tabs/tabs_event_router.h

Index: chrome/browser/extensions/api/tabs/tabs_event_router.h
diff --git a/chrome/browser/extensions/api/tabs/tabs_event_router.h b/chrome/browser/extensions/api/tabs/tabs_event_router.h
index 461786a8a061da17e07149ff8e9b91d75d0800dc..e6c17d4dbe715cbb1bb8cff6a13b2e1fa7af642d 100644
--- a/chrome/browser/extensions/api/tabs/tabs_event_router.h
+++ b/chrome/browser/extensions/api/tabs/tabs_event_router.h
@@ -105,6 +105,12 @@ class TabsEventRouter : public TabStripModelObserver,
       content::WebContents* contents,
       scoped_ptr<base::DictionaryValue> changed_properties);
 
+  // Dispatches an |onZoomChange| event when the tab |contents| is zoomed.
+  void DispatchTabZoomChangeEvent(content::WebContents* contents,
+                                  double old_zoom_factor,
+                                  double new_zoom_factor,
+                                  base::DictionaryValue* zoom_settings);
+
   // Register ourselves to receive the various notifications we are interested
   // in for a browser.
   void RegisterForBrowserNotifications(Browser* browser);