Revert of services/ui: Revert CLs that broke Windows.

services/ui/public/cpp/raster_thread_helper.h

Index: services/ui/public/cpp/raster_thread_helper.h
diff --git a/services/ui/public/cpp/raster_thread_helper.h b/services/ui/public/cpp/raster_thread_helper.h
new file mode 100644
index 0000000000000000000000000000000000000000..8db3e658de9d6b2f01a59bf9dd395d2cedc88dc1
--- /dev/null
+++ b/services/ui/public/cpp/raster_thread_helper.h
@@ -0,0 +1,34 @@
+// 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 SERVICES_UI_PUBLIC_CPP_RASTER_THREAD_HELPER_H_
+#define SERVICES_UI_PUBLIC_CPP_RASTER_THREAD_HELPER_H_
+
+#include <memory>
+
+#include "base/macros.h"
+
+namespace cc {
+class TaskGraphRunner;
+class SingleThreadTaskGraphRunner;
+}
+
+namespace ui {
+
+class RasterThreadHelper {
+ public:
+  RasterThreadHelper();
+  ~RasterThreadHelper();
+
+  cc::TaskGraphRunner* task_graph_runner();
+
+ private:
+  std::unique_ptr<cc::SingleThreadTaskGraphRunner> task_graph_runner_;
+
+  DISALLOW_COPY_AND_ASSIGN(RasterThreadHelper);
+};
+
+}  // namespace ui
+
+#endif  // SERVICES_UI_PUBLIC_CPP_RASTER_THREAD_HELPER_H_