Wake Lock API implementation (Blink part)

Source/core/dom/WakeLockController.cpp

Index: Source/core/dom/WakeLockController.cpp
diff --git a/Source/core/dom/WakeLockController.cpp b/Source/core/dom/WakeLockController.cpp
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index 0000000000000000000000000000000000000000..695cfe2664fff2bf66359883201c758fc51f26b3
--- /dev/null
+++ b/Source/core/dom/WakeLockController.cpp
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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.
+
+#include "config.h"
+#include "core/dom/WakeLockController.h"
+
+#include "public/platform/WebWakeLockClient.h"
+
+namespace blink {
+
+WakeLockController::WakeLockController(LocalFrame& frame, WebWakeLockClient* client)
+    : m_client(client)
+{
+}
+
+// static
+PassOwnPtrWillBeRawPtr<WakeLockController> WakeLockController::create(LocalFrame& frame, WebWakeLockClient* client)
+{
+    return adoptPtrWillBeNoop(new WakeLockController(frame, client));
+}
+
+// static
+const char* WakeLockController::supplementName()
+{
+    return "WakeLockController";
+}
+
+// static
+WakeLockController* WakeLockController::from(LocalFrame* frame)
+{
+    return static_cast<WakeLockController*>(WillBeHeapSupplement<LocalFrame>::from(frame, supplementName()));
+}
+
+// static
+void WakeLockController::provideTo(LocalFrame& frame, WebWakeLockClient* client)
+{
+    WillBeHeapSupplement<LocalFrame>::provideTo(frame, WakeLockController::supplementName(), WakeLockController::create(frame, client));
+}
+
+void WakeLockController::requestKeepScreenAwake(bool keepScreenAwake)
+{
+    if (m_client) {
+        m_client->requestKeepScreenAwake(keepScreenAwake);
+    }
+}
+
+} // namespace blink