Add the UI compositor to the Mac build

content/browser/compositor/reflector_impl.h

Index: content/browser/compositor/reflector_impl.h
diff --git a/content/browser/aura/reflector_impl.h b/content/browser/compositor/reflector_impl.h
similarity index 94%
rename from content/browser/aura/reflector_impl.h
rename to content/browser/compositor/reflector_impl.h
index e5b5128accf32f9467caf6420ea4b03c80cda9f2..59ce87f8ccb850ca94788d0b7f5e9d45ede009cc 100644
--- a/content/browser/aura/reflector_impl.h
+++ b/content/browser/compositor/reflector_impl.h
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_AURA_REFLECTOR_IMPL_H_
-#define CONTENT_BROWSER_AURA_REFLECTOR_IMPL_H_
+#ifndef CONTENT_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_
+#define CONTENT_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_
 
 #include "base/id_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "content/browser/aura/image_transport_factory.h"
+#include "content/browser/compositor/image_transport_factory.h"
 #include "ui/compositor/reflector.h"
 #include "ui/gfx/size.h"
 
@@ -122,4 +122,4 @@ class ReflectorImpl : public ImageTransportFactoryObserver,
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_AURA_REFLECTOR_IMPL_H_
+#endif  // CONTENT_BROWSER_COMPOSITOR_REFLECTOR_IMPL_H_