Separate the NTP app ordering from the app list app ordering

chrome/browser/extensions/extension_prefs.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/extension_prefs.h"
 
 #include "base/prefs/pref_notifier.h"
 #include "base/prefs/pref_service.h"
 #include "base/string_util.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 1223 matching lines @@
                              extension_dict);
   FinishExtensionInfoPrefs(extension->id(), install_time,
                            extension->RequiresSortOrdinal(),
                            page_ordinal, extension_dict);
 }
 
 void ExtensionPrefs::OnExtensionUninstalled(const std::string& extension_id,
                                             const Manifest::Location& location,
                                             bool external_uninstall) {
   extension_sorting_->ClearOrdinals(extension_id);
+  app_list_extension_ordering_->Erase(extension_id);
 
   // For external extensions, we save a preference reminding ourself not to try
   // and install the extension anymore (except when |external_uninstall| is
   // true, which signifies that the registry key was deleted or the pref file
   // no longer lists the extension).
   if (!external_uninstall && Manifest::IsExternalLocation(location)) {
     UpdateExtensionPref(extension_id, kPrefState,
                         Value::CreateIntegerValue(
                             Extension::EXTERNAL_EXTENSION_UNINSTALLED));
     extension_pref_value_map_->SetExtensionState(extension_id, false);
@@ skipping 424 matching lines @@
        ext_id != extension_ids.end(); ++ext_id) {
     ScopedExtensionPrefUpdate update(prefs_, *ext_id);
     // This creates an empty dictionary if none is stored.
     update.Get();
   }
 
   FixMissingPrefs(extension_ids);
   MigratePermissions(extension_ids);
   MigrateDisableReasons(extension_ids);
   extension_sorting_->Initialize(extension_ids);
+  app_list_extension_ordering_->Initialize(extension_ids);
 
   // Store extension controlled preference values in the
   // |extension_pref_value_map_|, which then informs the subscribers
   // (ExtensionPrefStores) about the winning values.
   for (ExtensionIdList::iterator ext_id = extension_ids.begin();
        ext_id != extension_ids.end(); ++ext_id) {
     extension_pref_value_map_->RegisterExtension(
         *ext_id,
         GetInstallTime(*ext_id),
         !IsExtensionDisabled(*ext_id));
@@ skipping 185 matching lines @@
 ExtensionPrefs::ExtensionPrefs(
     PrefService* prefs,
     const base::FilePath& root_dir,
     ExtensionPrefValueMap* extension_pref_value_map,
     scoped_ptr<TimeProvider> time_provider,
     bool extensions_disabled)
     : prefs_(prefs),
       install_directory_(root_dir),
       extension_pref_value_map_(extension_pref_value_map),
       extension_sorting_(new ExtensionSorting(this, prefs)),
+      app_list_extension_ordering_(new AppListExtensionOrdering(this)),
       content_settings_store_(new ContentSettingsStore()),
       time_provider_(time_provider.Pass()),
       extensions_disabled_(extensions_disabled) {
   MakePathsRelative();
   InitPrefStore();
   content_settings_store_->AddObserver(this);
 }
 
 void ExtensionPrefs::SetNeedsStorageGarbageCollection(bool value) {
   prefs_->SetBoolean(prefs::kExtensionStorageGarbageCollect, value);
@@ skipping 156 matching lines @@
     is_enabled = initial_state == Extension::ENABLED;
   }
 
   extension_pref_value_map_->RegisterExtension(extension_id, install_time,
                                                is_enabled);
   content_settings_store_->RegisterExtension(extension_id, install_time,
                                              is_enabled);
 }
 
 }  // namespace extensions