Separate checking the user identity and checking if the user is syncing his history in two differen…

chrome/renderer/searchbox/searchbox.h

Index: chrome/renderer/searchbox/searchbox.h
diff --git a/chrome/renderer/searchbox/searchbox.h b/chrome/renderer/searchbox/searchbox.h
index cf0ea52d61b5cb4724ba51fe56b4392ba23dcece..4865041d53292c5cd4561c8e93431643bab918ba 100644
--- a/chrome/renderer/searchbox/searchbox.h
+++ b/chrome/renderer/searchbox/searchbox.h
@@ -40,6 +40,9 @@ class SearchBox : public content::RenderViewObserver,
   // Sends ChromeViewHostMsg_ChromeIdentityCheck to the browser.
   void CheckIsUserSignedInToChromeAs(const base::string16& identity);
 
+  // Sends ChromeViewHostMsg_CheckUserSyncHistory to the browser.
+  void CheckUserSyncHistory();
+
   // Sends ChromeViewHostMsg_SearchBoxDeleteMostVisitedItem to the browser.
   void DeleteMostVisitedItem(InstantRestrictedID most_visited_item_id);
 
@@ -132,6 +135,7 @@ class SearchBox : public content::RenderViewObserver,
   void OnSubmit(const base::string16& query);
   void OnThemeChanged(const ThemeBackgroundInfo& theme_info);
   void OnToggleVoiceSearch();
+  void OnCheckUserSyncHistoryResult(bool sync_history);
 
   // Returns the current zoom factor of the render view or 1 on failure.
   double GetZoom() const;