Initial implementation of API WakeLock.

content/public/browser/wake_lock_permission_context.h

+// 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_PUBLIC_BROWSER_WAKE_LOCK_PERMISSION_CONTEXT_H_
+#define CONTENT_PUBLIC_BROWSER_WAKE_LOCK_PERMISSION_CONTEXT_H_
+
+#include "base/callback.h"
+#include "base/memory/ref_counted.h"
+#include "content/common/content_export.h"
+
+class GURL;
+
+namespace content {
+
+class CONTENT_EXPORT WakeLockPermissionContext
+    : public base::RefCountedThreadSafe<WakeLockPermissionContext> {
+ public:
+  typedef base::Callback<void(bool allowed)> WakeLockCallback;
+  virtual void RequestWakeLockPermission(
+      int render_process_id,
+      int render_view_id,
+      const GURL& requesting_frame,
+      WakeLockCallback callback) = 0;
+
+ protected:
+  virtual ~WakeLockPermissionContext() { }
+
+ private:
+  friend class base::RefCountedThreadSafe<WakeLockPermissionContext>;
+};
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_WAKE_LOCK_PERMISSION_CONTEXT_H_