Remove chrome.windows.* support for platform apps.

chrome/common/extensions/extension_permission_set.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/common/extensions/extension_permission_set.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 343 matching lines @@
       ExtensionPermissionMessage::kFullAccess, kFlagImpliesFullURLAccess |
       kFlagImpliesFullAccess | kFlagCannotBeOptional);
 
   // Platform-app permissions.
   info->RegisterPermission(
       kSocket, "socket", 0, ExtensionPermissionMessage::kNone,
       kFlagCannotBeOptional);
 
   // Register aliases.
   info->RegisterAlias("unlimitedStorage", kOldUnlimitedStoragePermission);
-  // TODO(mihaip): Remove this alias for platform apps, and only give them
-  // access to the chrome.windows.* APIs, but not the chrome.tabs.* ones.
   info->RegisterAlias("tabs", kWindowsPermission);
   // TODO(mihaip): Should be removed for the M20 branch, see
   // http://crbug.com/120447 for more details.
   info->RegisterAlias("background", kTemporaryBackgroundAlias);
 
 }
 
 //
 // ExtensionPermissionsInfo
 //
@@ skipping 591 matching lines @@
   ExtensionOAuth2Scopes current_scopes = scopes();
   ExtensionOAuth2Scopes new_scopes = permissions->scopes();
   ExtensionOAuth2Scopes delta_scopes;
   std::set_difference(new_scopes.begin(), new_scopes.end(),
                       current_scopes.begin(), current_scopes.end(),
                       std::inserter(delta_scopes, delta_scopes.begin()));
 
   // We have less privileges if there are additional scopes present.
   return !delta_scopes.empty();
 }