Add offline_mode support in crxless apps

chrome/browser/extensions/convert_web_app.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/convert_web_app.h"
 
 #include <cmath>
 #include <limits>
 #include <string>
 #include <vector>
@@ skipping 85 matching lines @@
     LOG(ERROR) << "Could not create temporary directory.";
     return NULL;
   }
 
   // Create the manifest
   scoped_ptr<DictionaryValue> root(new DictionaryValue);
   if (!web_app.is_bookmark_app)
     root->SetString(keys::kPublicKey, GenerateKey(web_app.manifest_url));
   else
     root->SetString(keys::kPublicKey, GenerateKey(web_app.app_url));
+
+  if (web_app.is_offline_enabled)
+    root->SetBoolean(keys::kOfflineEnabled, true);
+
   root->SetString(keys::kName, UTF16ToUTF8(web_app.title));
   root->SetString(keys::kVersion, ConvertTimeToExtensionVersion(create_time));
   root->SetString(keys::kDescription, UTF16ToUTF8(web_app.description));
   root->SetString(keys::kLaunchWebURL, web_app.app_url.spec());
 
   if (!web_app.launch_container.empty())
     root->SetString(keys::kLaunchContainer, web_app.launch_container);
 
   // Add the icons.
   DictionaryValue* icons = new DictionaryValue();
@@ skipping 68 matching lines @@
       extension_flags,
       &error);
   if (!extension) {
     LOG(ERROR) << error;
     return NULL;
   }
 
   temp_dir.Take();  // The caller takes ownership of the directory.
   return extension;
 }