drive: Stop making multiple GetAppList() requests from DriveAppRegistry

chrome/browser/chromeos/drive/drive_app_registry.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_APP_REGISTRY_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_APP_REGISTRY_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/google_apis/gdata_errorcode.h"
 #include "chrome/browser/google_apis/gdata_wapi_parser.h"
 #include "url/gurl.h"
 
 namespace base {
 class FilePath;
 }  // namespace base
 
 namespace google_apis {
 class AppList;
-}  // namespace AppList
+}  // namespace google_apis
 
 namespace drive {
 
 class JobScheduler;
 
 // Data structure that defines Drive app. See
 // https://chrome.google.com/webstore/category/collection/drive_apps for
 // Drive apps available on the webstore.
 struct DriveAppInfo {
   DriveAppInfo(const std::string& app_id,
@@ skipping 102 matching lines @@
 
   // Map of web store product URL to application name.
   std::map<GURL, std::string> url_to_name_map_;
 
   // Map of filename extension to application info.
   DriveAppFileSelectorMap app_extension_map_;
 
   // Map of MIME type to application info.
   DriveAppFileSelectorMap app_mimetypes_map_;
 
+  bool is_updating_;
+
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<DriveAppRegistry> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(DriveAppRegistry);
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_DRIVE_APP_REGISTRY_H_