Implement onOpenResult.

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 b19fefb91990c487f880ca9f3feae93ce59047b8..bbe98dbb22a44cbc3cd739b740322e1fb7e5211e 100644
--- a/chrome/browser/chromeos/launcher_search_provider/service.h
+++ b/chrome/browser/chromeos/launcher_search_provider/service.h
@@ -43,6 +43,10 @@ class Service : public KeyedService {
   // Dispatches onQueryEnded events to listener extensions.
   void OnQueryEnded();
 
+  // Dispatches onOpenResult event of |item_id| to |extension_id|.
+  void OnOpenResult(const extensions::ExtensionId& extension_id,
+                    const std::string& item_id);
+
   // Sets search results of a listener extension.
   void SetSearchResults(
       const extensions::Extension* extension,