Add onFontNameChanged event to Font Settings API

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index b24b7bb8243caf7dc7091b4db5589443e7d58fc3..7ce5e8b89a95fd8a0c23750288fcb5a55fe64e6d 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -54,6 +54,7 @@ class ExtensionBrowserEventRouter;
 class ExtensionContentSettingsStore;
 class ExtensionCookiesEventRouter;
 class ExtensionDownloadsEventRouter;
+class ExtensionFontSettingsEventRouter;
 class ExtensionGlobalError;
 class ExtensionManagementEventRouter;
 class ExtensionPreferenceEventRouter;
@@ -804,6 +805,8 @@ class ExtensionService
 
   scoped_ptr<extensions::WebNavigationEventRouter> web_navigation_event_router_;
 
+  scoped_ptr<ExtensionFontSettingsEventRouter> font_settings_event_router_;
+
 #if defined(OS_CHROMEOS)
   scoped_ptr<chromeos::ExtensionBluetoothEventRouter> bluetooth_event_router_;
   scoped_ptr<chromeos::ExtensionInputMethodEventRouter>