Add new extension APIs related to animation policy.

chrome/browser/accessibility/animation_policy_prefs.h

+// Copyright (c) 2015 The Chromium Authors. All rights reserved.

[Lei Zhang, 2015/01/28 19:38:43]

nit: no (c)

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_ACCESSIBILITY_ANIMATION_POLICY_PREFS_H_
+#define CHROME_BROWSER_ACCESSIBILITY_ANIMATION_POLICY_PREFS_H_
+
+namespace user_prefs {
+class PrefRegistrySyncable;
+}
+
+namespace chrome {
+
+extern const char kAnimationPolicyAllowed[];
+extern const char kAnimationPolicyOnce[];
+extern const char kAnimationPolicyNone[];
+
+void RegisterAnimationPolicyPrefs(user_prefs::PrefRegistrySyncable* registry);
+
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_ACCESSIBILITY_ANIMATION_POLICY_PREFS_H_