Change single-interface mojo bindings to use SequencedTaskRunner.

device/wake_lock/wake_lock_service_context.h

 // 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.
 
 #ifndef DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_
 #define DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_
 
 #include <memory>
 #include <set>
 #include <utility>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/sequenced_task_runner.h"
 #include "device/wake_lock/wake_lock_service_impl.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "ui/gfx/native_widget_types.h"
 
+namespace base {
+class SingleThreadTaskRunner;
+}
+
 namespace device {
 
 class PowerSaveBlocker;
 
 class WakeLockServiceContext {
  public:
   WakeLockServiceContext(
       scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
       base::Callback<gfx::NativeView()> native_view_getter);
   ~WakeLockServiceContext();
@@ skipping 25 matching lines @@
   base::Callback<gfx::NativeView()> native_view_getter_;
 
   base::WeakPtrFactory<WakeLockServiceContext> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WakeLockServiceContext);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_