Wake Lock API implementation (Blink part)

Source/core/dom/DocumentWakeLock.cpp

Index: Source/core/dom/DocumentWakeLock.cpp
diff --git a/Source/core/dom/DocumentWakeLock.cpp b/Source/core/dom/DocumentWakeLock.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..75458191c96c646aa04ce391b43a8276e10ff8ce
--- /dev/null
+++ b/Source/core/dom/DocumentWakeLock.cpp
@@ -0,0 +1,22 @@
+// 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.
+
+#include "config.h"
+#include "core/dom/DocumentWakeLock.h"
+
+#include "core/dom/WakeLock.h"
+
+namespace blink {
+
+bool DocumentWakeLock::keepScreenAwake(Document& document)
+{
+    return WakeLock::keepScreenAwake(document);
+}
+
+void DocumentWakeLock::setKeepScreenAwake(Document& document, bool keepScreenAwake)
+{
+    WakeLock::setKeepScreenAwake(document, keepScreenAwake);
+}
+
+} // namespace blink