Add recommended extension installation support

chrome/browser/extensions/extension_management.cc

 // Copyright 2014 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_management.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 60 matching lines @@
   return default_settings_->installation_mode == INSTALLATION_BLOCKED;
 }
 
 ExtensionManagement::InstallationMode ExtensionManagement::GetInstallationMode(
     const ExtensionId& id) const {
   return ReadById(id)->installation_mode;
 }
 
 scoped_ptr<base::DictionaryValue> ExtensionManagement::GetForceInstallList()
     const {
-  scoped_ptr<base::DictionaryValue> forcelist(new base::DictionaryValue());
+  scoped_ptr<base::DictionaryValue> install_list(new base::DictionaryValue());
   for (SettingsIdMap::const_iterator it = settings_by_id_.begin();
        it != settings_by_id_.end();
        ++it) {
     if (it->second->installation_mode == INSTALLATION_FORCED) {
       ExternalPolicyLoader::AddExtension(
-          forcelist.get(), it->first, it->second->update_url);
+          install_list.get(), it->first, it->second->update_url);
     }
   }
-  return forcelist.Pass();
+  return install_list.Pass();
+}
+
+scoped_ptr<base::DictionaryValue>
+ExtensionManagement::GetRecommendedInstallList() const {
+  scoped_ptr<base::DictionaryValue> install_list(new base::DictionaryValue());
+  for (SettingsIdMap::const_iterator it = settings_by_id_.begin();
+       it != settings_by_id_.end();
+       ++it) {
+    if (it->second->installation_mode == INSTALLATION_RECOMMENDED) {
+      ExternalPolicyLoader::AddExtension(
+          install_list.get(), it->first, it->second->update_url);
+    }
+  }
+  return install_list.Pass();
 }
 
 bool ExtensionManagement::IsInstallationAllowed(const ExtensionId& id) const {
   return ReadById(id)->installation_mode != INSTALLATION_BLOCKED;
 }
 
 bool ExtensionManagement::IsOffstoreInstallAllowed(
     const GURL& url,
     const GURL& referrer_url) const {
   // No allowed install sites specified, disallow by default.
@@ skipping 255 matching lines @@
 }
 
 void ExtensionManagementFactory::RegisterProfilePrefs(
     user_prefs::PrefRegistrySyncable* user_prefs) {
   user_prefs->RegisterDictionaryPref(
       pref_names::kExtensionManagement,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 }  // namespace extensions