Revert of Move content/browser/power_save_blocker to //device/power_save_blocker

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/macros.h"
+#include "base/memory/ref_counted.h"
+
+namespace content {
+
+// TODO(derat): Consider renaming this file; '_ozone' is a misnomer as power
+// save is OS-specific, not display-system-specific.  This implementation
+// ends up being used for non-ChromeOS Ozone platforms such as Chromecast.
+// See crbug.com/495661 for more detail.
+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,
+    Reason reason,
+    const std::string& description,
+    scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
+    scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner)
+    : delegate_(new Delegate()),
+      ui_task_runner_(ui_task_runner),
+      blocking_task_runner_(blocking_task_runner) {}
+
+PowerSaveBlockerImpl::~PowerSaveBlockerImpl() { }
+
+}  // namespace content