Add offline_mode support in crxless apps

chrome/common/web_apps.h

 // Copyright (c) 2011 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_COMMON_WEB_APPS_H_
 #define CHROME_COMMON_WEB_APPS_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 57 matching lines @@
   // The permissions the app requests. Only supported with manifest-based apps.
   std::vector<std::string> permissions;
 
   // Set of URLs that comprise the app. Only supported with manifest-based apps.
   // All these must be of the same origin as manifest_url.
   std::vector<GURL> urls;
 
   // The type of launch container to use with the app. Currently supported
   // values are 'tab' and 'panel'. Only supported with manifest-based apps.
   std::string launch_container;
+
+  // This indicates if the app is functional in offline mode or not.
+  bool is_offline_enabled;
 };
 
 
 namespace web_apps {
 
 // Parses an icon size. An icon size must match the following regex:
 // [1-9][0-9]*x[1-9][0-9]*.
 // If the input couldn't be parsed, a size with a width/height == 0 is returned.
 gfx::Size ParseIconSize(const string16& text);
 
@@ skipping 21 matching lines @@
 // Parses |web_app| information out of |definition|. Returns true on success, or
 // false and |error| on failure. This function assumes that |web_app| has a
 // valid manifest_url.
 bool ParseWebAppFromDefinitionFile(base::Value* definition,
                                    WebApplicationInfo* web_app,
                                    string16* error);
 
 }  // namespace web_apps
 
 #endif  // CHROME_COMMON_WEB_APPS_H_