Implement new strategy for default apps

chrome/browser/extensions/extension_updater.cc

 // Copyright (c) 2010 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/extension_updater.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/logging.h"
@@ skipping 164 matching lines @@
 
 void ManifestFetchesBuilder::AddPendingExtension(
     const std::string& id,
     const PendingExtensionInfo& info) {
   // Use a zero version to ensure that a pending extension will always
   // be updated, and thus installed (assuming all extensions have
   // non-zero versions).
   scoped_ptr<Version> version(
       Version::GetVersionFromString("0.0.0.0"));
 
-  Extension::Location location =
-      (info.is_from_sync ? Extension::INTERNAL
-                         : Extension::EXTERNAL_PREF_DOWNLOAD);
-
-  AddExtensionData(location, id, *version,
+  AddExtensionData(info.install_source, id, *version,
                    info.expected_crx_type, info.update_url);
 }
 
 void ManifestFetchesBuilder::ReportStats() const {
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckExtensions",
                            url_stats_.google_url_count +
                            url_stats_.other_url_count -
                            url_stats_.theme_count);
   UMA_HISTOGRAM_COUNTS_100("Extensions.UpdateCheckTheme",
                            url_stats_.theme_count);
@@ skipping 652 matching lines @@
     extension_fetcher_.reset(
         URLFetcher::Create(kExtensionFetcherId, url, URLFetcher::GET, this));
     extension_fetcher_->set_request_context(
         Profile::GetDefaultRequestContext());
     extension_fetcher_->set_load_flags(net::LOAD_DO_NOT_SEND_COOKIES |
                                        net::LOAD_DO_NOT_SAVE_COOKIES);
     extension_fetcher_->Start();
     current_extension_fetch_ = ExtensionFetch(id, url, hash, version);
   }
 }