Initial implementation of API WakeLock.

content/common/wake_lock_messages.h

Index: content/common/wake_lock_messages.h
diff --git a/content/common/wake_lock_messages.h b/content/common/wake_lock_messages.h
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+++ b/content/common/wake_lock_messages.h
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+// Copyright (c) 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.
+
+#ifndef CONTENT_COMMON_WAKE_LOCK_MESSAGES_H_
+#define CONTENT_COMMON_WAKE_LOCK_MESSAGES_H_
+
+// IPC messages for wake lock.
+
+#include "ipc/ipc_message_macros.h"
+
+#define IPC_MESSAGE_START WakeLockMsgStart
+
+// Asks the browser process to create wake lock if necessary.
+IPC_MESSAGE_ROUTED0(WakeLockScreenViewHostMsg_RequestLock)
+
+IPC_MESSAGE_ROUTED0(WakeLockScreenViewHostMsg_RequestUnlock)
+
+// Answer from browser to renderer about created wakeLock
+IPC_MESSAGE_ROUTED0(WakeLockScreenViewMsg_LockedSuccessful)
+IPC_MESSAGE_ROUTED0(WakeLockScreenViewMsg_LockedFailed)
+
+// Answer from browser to renderer about unlocked wakeLock
+IPC_MESSAGE_ROUTED0(WakeLockScreenViewMsg_UnlockedSuccessful)
+IPC_MESSAGE_ROUTED0(WakeLockScreenViewMsg_UnlockedFailed)
+
+#endif  // CONTENT_COMMON_WAKE_LOCK_MESSAGES_H_