Use PowerSaveBlocker for audio and video on Chrome OS.

content/browser/power_save_blocker_ozone.cc

 // Copyright 2013 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 "content/browser/power_save_blocker_impl.h"
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 
 namespace content {
 
 // TODO(rjkroege): Add display power saving control to the ozone interface.
 // This implementation is necessary to satisfy linkage.
 class PowerSaveBlockerImpl::Delegate
     : public base::RefCountedThreadSafe<PowerSaveBlockerImpl::Delegate> {
  public:
   Delegate() {}
 
  private:
   friend class base::RefCountedThreadSafe<Delegate>;
   virtual ~Delegate() {}
 
   DISALLOW_COPY_AND_ASSIGN(Delegate);
 };
 
 PowerSaveBlockerImpl::PowerSaveBlockerImpl(PowerSaveBlockerType type,
-                                           const std::string& reason)
+                                           Reason reason,
+                                           const std::string& description)
     : delegate_(new Delegate()) {
   NOTIMPLEMENTED();
 }
 
 PowerSaveBlockerImpl::~PowerSaveBlockerImpl() { NOTIMPLEMENTED(); }
 
 }  // namespace content