[NTP] Allow reordering of apps via drag and drop.

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 2011 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_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 1768 matching lines @@
       terminated_extensions_.erase(iter);
       return;
     }
   }
 }
 
 const Extension* ExtensionService::GetWebStoreApp() {
   return GetExtensionById(extension_misc::kWebStoreAppId, false);
 }
 
+void ExtensionService::SetAppLauncherOrder(

[Aaron Boodman, 2011/01/22 23:42:57]

This method seems like it makes more sense directly in ExtensionPrefs to me.

[jstritar, 2011/01/24 01:00:42]

Done.

+    const std::vector<std::string>& extension_ids) {
+  for (size_t i = 0; i < extension_ids.size(); ++i)
+    extension_prefs_->SetAppLaunchIndex(extension_ids.at(i), i);
+
+  NotificationService::current()->Notify(
+      NotificationType::EXTENSION_LAUNCHER_REORDERED,
+      Source<Profile>(profile_),
+      NotificationService::NoDetails());
+}
+
 const Extension* ExtensionService::GetExtensionByURL(const GURL& url) {
   return url.scheme() != chrome::kExtensionScheme ? NULL :
       GetExtensionById(url.host(), false);
 }
 
 const Extension* ExtensionService::GetExtensionByWebExtent(const GURL& url) {
   for (size_t i = 0; i < extensions_.size(); ++i) {
     if (extensions_[i]->web_extent().ContainsURL(url))
       return extensions_[i];
   }
@@ skipping 186 matching lines @@
 }
 
 void ExtensionService::SetBeingUpgraded(const Extension* extension,
                                          bool value) {
   extension_runtime_data_[extension->id()].being_upgraded = value;
 }
 
 PropertyBag* ExtensionService::GetPropertyBag(const Extension* extension) {
   return &extension_runtime_data_[extension->id()].property_bag;
 }