Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/top_sites/top_sites_api.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/top_sites/top_sites_api.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 
 namespace extensions {
 
 TopSitesGetFunction::TopSitesGetFunction()
     : weak_ptr_factory_(this) {}
 
 TopSitesGetFunction::~TopSitesGetFunction() {}
 
-bool TopSitesGetFunction::RunImpl() {
+bool TopSitesGetFunction::RunAsync() {
   history::TopSites* ts = GetProfile()->GetTopSites();
   if (!ts)
     return false;
 
   ts->GetMostVisitedURLs(
       base::Bind(&TopSitesGetFunction::OnMostVisitedURLsAvailable,
                  weak_ptr_factory_.GetWeakPtr()), false);
   return true;
 }
 
@@ skipping 11 matching lines @@
         page_value->SetString("title", url.title);
       pages_value->Append(page_value);
     }
   }
 
   SetResult(pages_value.release());
   SendResponse(true);
 }
 
 }  // namespace extensions