services/ui: Move some files into the client lib.

services/ui/public/cpp/lib/mojo_buffer_backing.h

Index: services/ui/public/cpp/lib/mojo_buffer_backing.h
diff --git a/services/ui/common/mojo_buffer_backing.h b/services/ui/public/cpp/lib/mojo_buffer_backing.h
similarity index 74%
rename from services/ui/common/mojo_buffer_backing.h
rename to services/ui/public/cpp/lib/mojo_buffer_backing.h
index d01b7365038d712eb22949c2357ef2b4cacefdfa..9d9320b4c4b6be199dfdd98f2a0007188ecbd7aa 100644
--- a/services/ui/common/mojo_buffer_backing.h
+++ b/services/ui/public/cpp/lib/mojo_buffer_backing.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef SERVICES_UI_COMMON_MOJO_BUFFER_BACKING_H_
-#define SERVICES_UI_COMMON_MOJO_BUFFER_BACKING_H_
+#ifndef SERVICES_UI_PUBLIC_CPP_LIB_MOJO_BUFFER_BACKING_H_
+#define SERVICES_UI_PUBLIC_CPP_LIB_MOJO_BUFFER_BACKING_H_
 
 #include <stddef.h>
 
@@ -12,11 +12,10 @@
 #include "base/macros.h"
 #include "gpu/command_buffer/common/buffer.h"
 #include "mojo/public/cpp/system/core.h"
-#include "services/ui/common/mus_common_export.h"
 
 namespace ui {
 
-class MUS_COMMON_EXPORT MojoBufferBacking : public gpu::BufferBacking {
+class MojoBufferBacking : public gpu::BufferBacking {
  public:
   MojoBufferBacking(mojo::ScopedSharedBufferMapping mapping, size_t size);
   ~MojoBufferBacking() override;
@@ -37,4 +36,4 @@ class MUS_COMMON_EXPORT MojoBufferBacking : public gpu::BufferBacking {
 
 }  // namespace ui
 
-#endif  // SERVICES_UI_COMMON_MOJO_BUFFER_BACKING_H_
+#endif  // SERVICES_UI_PUBLIC_CPP_LIB_MOJO_BUFFER_BACKING_H_