OwnerKeyUtil is moved to components/ownership.

components/ownership.gypi

+# Copyright 2014 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.
+
+{
+  'targets': [{
+    'target_name': 'ownership',
+    'type': '<(component)',
+    'dependencies': [
+      '<(DEPTH)/base/base.gyp:base',
+      '<(DEPTH)/crypto/crypto.gyp:crypto',
+    ],
+    'defines': [
+      'OWNERSHIP_IMPLEMENTATION',
+    ],
+    'sources': [
+      'ownership/owner_key_util.cc',
+      'ownership/owner_key_util.h',
+     ],
+  },
+  { 'target_name': 'ownership_test_support',
+    'type': 'static_library',
+    'dependencies': [
+      '<(DEPTH)/base/base.gyp:base',
+      '<(DEPTH)/crypto/crypto.gyp:crypto',
+      'ownership',
+    ],
+    'sources': [
+      'ownership/mock_owner_key_util.cc',
+      'ownership/mock_owner_key_util.h',
+    ],
+  }],
+}