Move //sky/compositor to //sky/viewer/compositor

sky/viewer/compositor/surface_allocator.h

 // 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 SKY_COMPOSITOR_SURFACE_ALLOCATOR_H_
-#define SKY_COMPOSITOR_SURFACE_ALLOCATOR_H_
+#ifndef SKY_VIEWER_COMPOSITOR_SURFACE_ALLOCATOR_H_
+#define SKY_VIEWER_COMPOSITOR_SURFACE_ALLOCATOR_H_
 
 #include "base/basictypes.h"
 #include "mojo/services/surfaces/public/interfaces/surface_id.mojom.h"
 
 namespace sky {
 
 class SurfaceAllocator {
  public:
   SurfaceAllocator(uint32_t id_namespace);
   ~SurfaceAllocator();
 
   mojo::SurfaceIdPtr CreateSurfaceId();
 
  private:
   uint32_t id_namespace_;
   uint32_t next_id_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfaceAllocator);
 };
 
 }  // namespace sky
 
-#endif  // SKY_COMPOSITOR_SURFACE_ALLOCATOR_H_
+#endif  // SKY_VIEWER_COMPOSITOR_SURFACE_ALLOCATOR_H_