bookmarks: Get rid of the dependency on history_notifications.h

chrome/browser/history/history_service.h

Index: chrome/browser/history/history_service.h
diff --git a/chrome/browser/history/history_service.h b/chrome/browser/history/history_service.h
index 4e1cedaed416550d695513870d87e50ed423524d..1a704f235188664c790bfb2a925c2a863aa24abb 100644
--- a/chrome/browser/history/history_service.h
+++ b/chrome/browser/history/history_service.h
@@ -54,6 +54,10 @@ class FilePath;
 class Thread;
 }
 
+namespace chrome {
+struct FaviconChangedDetails;
+}
+
 namespace visitedlink {
 class VisitedLinkMaster;
 }
@@ -672,6 +676,11 @@ class HistoryService : public CancelableRequestProvider,
   void ScheduleAutocomplete(HistoryURLProvider* provider,
                             HistoryURLProviderParams* params);
 
+  // Sends chrome::NOTIFICATION_FAVICON_CHANGED notification.
+  // This function does not take ownership of |details|.
+  void SendFaviconChangedNotificationHelper(
+      chrome::FaviconChangedDetails* details);
+
   // Broadcasts the given notification. This is called by the backend so that
   // the notification will be broadcast on the main thread.
   //