Add the UI compositor to the Mac build

content/browser/compositor/browser_compositor_output_surface.cc

Index: content/browser/compositor/browser_compositor_output_surface.cc
diff --git a/content/browser/aura/browser_compositor_output_surface.cc b/content/browser/compositor/browser_compositor_output_surface.cc
similarity index 96%
rename from content/browser/aura/browser_compositor_output_surface.cc
rename to content/browser/compositor/browser_compositor_output_surface.cc
index 2125d3845f4f81e4d29b0feef8da1eda66ff959f..94e0f971bbc11f7c89168a73ff5623b987529652 100644
--- a/content/browser/aura/browser_compositor_output_surface.cc
+++ b/content/browser/compositor/browser_compositor_output_surface.cc
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "content/browser/aura/browser_compositor_output_surface.h"
+#include "content/browser/compositor/browser_compositor_output_surface.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/strings/string_number_conversions.h"
-#include "content/browser/aura/reflector_impl.h"
+#include "content/browser/compositor/reflector_impl.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "ui/compositor/compositor.h"
 #include "ui/compositor/compositor_switches.h"