Drive extension functions from ExtensionFunction::Run. The

chrome/browser/extensions/api/system_memory/system_memory_api.cc

 // Copyright 2013 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/system_memory/system_memory_api.h"
 
 #include "chrome/browser/extensions/api/system_memory/memory_info_provider.h"
 
 namespace extensions {
 
 using api::system_memory::MemoryInfo;
 
 SystemMemoryGetInfoFunction::SystemMemoryGetInfoFunction() {}
 
 SystemMemoryGetInfoFunction::~SystemMemoryGetInfoFunction() {}
 
-bool SystemMemoryGetInfoFunction::RunImpl() {
+bool SystemMemoryGetInfoFunction::RunAsync() {
   MemoryInfoProvider::Get()->StartQueryInfo(
       base::Bind(&SystemMemoryGetInfoFunction::OnGetMemoryInfoCompleted, this));
   return true;
 }
 
 void SystemMemoryGetInfoFunction::OnGetMemoryInfoCompleted(bool success) {
   if (success)
     SetResult(MemoryInfoProvider::Get()->memory_info().ToValue().release());
   else
     SetError("Error occurred when querying memory information.");
   SendResponse(success);
 }
 
 }  // namespace extensions