Mus: Implement GpuMain mojo interface

services/ui/surfaces/display_compositor_factory_delegate.h

Index: services/ui/surfaces/display_compositor_factory_delegate.h
diff --git a/services/ui/surfaces/display_compositor_factory_delegate.h b/services/ui/surfaces/display_compositor_factory_delegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..90b33964bb1e5ae23b9dd875b1713bd5111f950e
--- /dev/null
+++ b/services/ui/surfaces/display_compositor_factory_delegate.h
@@ -0,0 +1,25 @@
+// Copyright 2016 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_SURFACES_DISPLAY_COMPOSITOR_FACTORY_DELEGATE_H_
+#define SERVICES_UI_SURFACES_DISPLAY_COMPOSITOR_FACTORY_DELEGATE_H_
+
+namespace gpu {
+class GpuMemoryBufferManager;
+}
+
+namespace ui {
+
+class DisplayCompositorFactoryDelegate {
+ public:
+  virtual std::unique_ptr<gpu::GpuMemoryBufferManager>
+  CreateGpuMemoryBufferManager() = 0;
+
+ protected:
+  ~DisplayCompositorFactoryDelegate() {}
+};
+
+}  // namespace ui
+
+#endif  // SERVICES_UI_SURFACES_DISPLAY_COMPOSITOR_FACTORY_DELEGATE_H_