[Extensions] Remove principalsPrivate API

chrome/common/extensions/permissions/permission_set_unittest.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 <stddef.h>
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/json/json_file_value_serializer.h"
@@ skipping 825 matching lines @@
   skip.insert(APIPermission::kFirstRunPrivate);
   skip.insert(APIPermission::kGcdPrivate);
   skip.insert(APIPermission::kHotwordPrivate);
   skip.insert(APIPermission::kIdentityPrivate);
   skip.insert(APIPermission::kInputMethodPrivate);
   skip.insert(APIPermission::kLanguageSettingsPrivate);
   skip.insert(APIPermission::kMediaPlayerPrivate);
   skip.insert(APIPermission::kMediaRouterPrivate);
   skip.insert(APIPermission::kMetricsPrivate);
   skip.insert(APIPermission::kPreferencesPrivate);
-  skip.insert(APIPermission::kPrincipalsPrivate);
   skip.insert(APIPermission::kImageWriterPrivate);
   skip.insert(APIPermission::kResourcesPrivate);
   skip.insert(APIPermission::kRtcPrivate);
   skip.insert(APIPermission::kStreamsPrivate);
   skip.insert(APIPermission::kSystemPrivate);
   skip.insert(APIPermission::kTabCaptureForTab);
   skip.insert(APIPermission::kTerminalPrivate);
   skip.insert(APIPermission::kVirtualKeyboardPrivate);
   skip.insert(APIPermission::kWallpaperPrivate);
   skip.insert(APIPermission::kWebrtcAudioPrivate);
@@ skipping 909 matching lines @@
   scoped_refptr<Extension> extension_dwr(
       LoadManifest("permissions", "web_request_all_host_permissions.json"));
   const PermissionSet& permissions_dwr =
       extension_dwr->permissions_data()->active_permissions();
 
   EXPECT_FALSE(PermissionMessageProvider::Get()->IsPrivilegeIncrease(
       permissions, permissions_dwr, extension->GetType()));
 }
 
 }  // namespace extensions