Revert "Delete the Surfaces service."

services/surfaces/surfaces_output_surface.h

Index: services/surfaces/surfaces_output_surface.h
diff --git a/services/surfaces/surfaces_output_surface.h b/services/surfaces/surfaces_output_surface.h
new file mode 100644
index 0000000000000000000000000000000000000000..a2e61d0afe5c2081b99f75def045788d684c6f02
--- /dev/null
+++ b/services/surfaces/surfaces_output_surface.h
@@ -0,0 +1,29 @@
+// 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 SERVICES_SURFACES_SURFACES_OUTPUT_SURFACE_H_
+#define SERVICES_SURFACES_SURFACES_OUTPUT_SURFACE_H_
+
+#include "cc/output/output_surface.h"
+
+namespace mojo {
+
+// An OutputSurface implementation that directly draws and
+// swaps to an actual GL surface.
+class DirectOutputSurface : public cc::OutputSurface {
+ public:
+  explicit DirectOutputSurface(
+      const scoped_refptr<cc::ContextProvider>& context_provider);
+  ~DirectOutputSurface() override;
+
+  // cc::OutputSurface implementation
+  void SwapBuffers(cc::CompositorFrame* frame) override;
+
+ private:
+  base::WeakPtrFactory<DirectOutputSurface> weak_ptr_factory_;
+};
+
+}  // namespace mojo
+
+#endif  // SERVICES_SURFACES_SURFACES_OUTPUT_SURFACE_H_