WakeLock API: IPC at browser side.

content/browser/wake_lock/wake_lock_dispatcher_host.h

+// Copyright 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_BROWSER_WAKE_LOCK_WAKE_LOCK_DISPATCHER_HOST_H_
+#define CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_DISPATCHER_HOST_H_
+
+#include "content/public/browser/web_contents_observer.h"
+
+namespace blink {
+struct WakeLockRequestInfo;

[mlamouri (slow - plz ping), 2014/09/03 13:20:57]

Where is that declared? CL 399313003 doesn't seem to include that.

+}
+
+namespace content {
+
+class WebContents;
+
+class CONTENT_EXPORT WakeLockDispatcherHost
+    : public WebContentsObserver {
+ public:
+  explicit WakeLockDispatcherHost(WebContents* web_contents);
+  virtual ~WakeLockDispatcherHost();
+
+  // WebContentsObserver
+  virtual bool OnMessageReceived(const IPC::Message&) OVERRIDE;
+
+ private:
+  void OnRequestWakeLock(const blink::WakeLockRequestInfo& info,
+                         const GURL& url);
+  void OnRequestWakeUnlock(const blink::WakeLockRequestInfo& info);
+
+  void SendWakeLockPermissionResponse(const blink::WakeLockRequestInfo& info,
+                                      bool allowed);
+
+  DISALLOW_COPY_AND_ASSIGN(WakeLockDispatcherHost);
+};
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_WAKE_LOCK_WAKE_LOCK_DISPATCHER_HOST_H_