Wake Lock API implementation (Chromium part)

content/common/wake_lock_service.mojom

Index: content/common/wake_lock_service.mojom
diff --git a/content/common/wake_lock_service.mojom b/content/common/wake_lock_service.mojom
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+// Copyright 2015 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.
+
+module content;
+
+// WebLockService receives per-frame wake lock preference from its client.
+interface WakeLockService {
+  RequestWakeLock();
+  CancelWakeLock();
+};