Apps on NTP should be in order of installation

chrome/browser/sync/test/integration/sync_extension_helper.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/sync/test/integration/sync_extension_helper.h"
 
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/values.h"
@@ skipping 128 matching lines @@
     Profile* profile, Extension::Type type) {
   // TODO(akalin): Mock out the servers that the extensions auto-update
   // mechanism talk to so as to more closely match what actually happens.
   // Background networking will need to be re-enabled for extensions tests.
 
   // We make a copy here since InstallExtension() removes the
   // extension from the extensions service's copy.
   const PendingExtensionManager* pending_extension_manager =
       profile->GetExtensionService()->pending_extension_manager();
 
-  std::set<std::string> pending_crx_ids;
+  std::list<std::string> pending_crx_ids;
   pending_extension_manager->GetPendingIdsForUpdateCheck(&pending_crx_ids);
 
-  std::set<std::string>::const_iterator id;
+  std::list<std::string>::const_iterator iter;
   PendingExtensionInfo info;
-  for (id = pending_crx_ids.begin(); id != pending_crx_ids.end(); ++id) {
-    ASSERT_TRUE(pending_extension_manager->GetById(*id, &info));
+  for (iter = pending_crx_ids.begin(); iter != pending_crx_ids.end(); ++iter) {
+    ASSERT_TRUE(pending_extension_manager->GetById(*iter, &info));
     if (!info.is_from_sync())
       continue;
 
-    StringMap::const_iterator it2 = id_to_name_.find(*id);
-    if (it2 == id_to_name_.end()) {
-      ADD_FAILURE() << "Could not get name for id " << *id
+    StringMap::const_iterator iter2 = id_to_name_.find(*iter);
+    if (iter2 == id_to_name_.end()) {
+      ADD_FAILURE() << "Could not get name for id " << *iter
                     << " (profile = " << profile->GetDebugName() << ")";
       continue;
     }
-    InstallExtension(profile, it2->second, type);
+    InstallExtension(profile, iter2->second, type);
   }
 }
 
 SyncExtensionHelper::ExtensionStateMap
     SyncExtensionHelper::GetExtensionStates(Profile* profile) {
   const std::string& profile_debug_name = profile->GetDebugName();
 
   ExtensionStateMap extension_state_map;
 
   ExtensionService* extension_service = profile->GetExtensionService();
@@ skipping 167 matching lines @@
   if (extension->id() != expected_id) {
     EXPECT_EQ(expected_id, extension->id());
     return NULL;
   }
   DVLOG(2) << "created extension with name = "
            << name << ", id = " << expected_id;
   (it->second)[name] = extension;
   id_to_name_[expected_id] = name;
   return extension;
 }