Implement onQueryEnded.

chrome/browser/chromeos/launcher_search_provider/service.h

Index: chrome/browser/chromeos/launcher_search_provider/service.h
diff --git a/chrome/browser/chromeos/launcher_search_provider/service.h b/chrome/browser/chromeos/launcher_search_provider/service.h
index 7dab497d203d4ddd2a4ead636df404638737adca..27bac34e5234a8d6f4d039d63f051959083a5c80 100644
--- a/chrome/browser/chromeos/launcher_search_provider/service.h
+++ b/chrome/browser/chromeos/launcher_search_provider/service.h
@@ -29,6 +29,12 @@ class Service : public KeyedService {
   // Dispatches onQueryStarted events to listener extensions.
   void OnQueryStarted(const std::string& query, const int max_result);
 
+  // Dispatches onQueryEnded events to listener extensions.
+  void OnQueryEnded();
+
+  // Returns true if there is a running query.
+  bool IsQueryRunning() const;
+
  private:
   // Returns extension ids of listener extensions.
   std::set<extensions::ExtensionId> GetListenerExtensionIds();
@@ -36,6 +42,7 @@ class Service : public KeyedService {
   Profile* const profile_;
   extensions::ExtensionRegistry* extension_registry_;
   uint32 query_id_;
+  bool is_query_running_;
 
   DISALLOW_COPY_AND_ASSIGN(Service);
 };