Fork a subset of ash/shelf for use in mash.

mash/shelf/shelf_model_observer.h

Index: mash/shelf/shelf_model_observer.h
diff --git a/ash/shelf/shelf_model_observer.h b/mash/shelf/shelf_model_observer.h
similarity index 76%
copy from ash/shelf/shelf_model_observer.h
copy to mash/shelf/shelf_model_observer.h
index a65e5cfea738e5ccd5de6fae493d66646bfd5ef2..cb3ebe3808a70fe5f0e65bb637ade845a85508ca 100644
--- a/ash/shelf/shelf_model_observer.h
+++ b/mash/shelf/shelf_model_observer.h
@@ -2,17 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SHELF_SHELF_MODEL_OBSERVER_H_
-#define ASH_SHELF_SHELF_MODEL_OBSERVER_H_
+#ifndef MASH_SHELF_SHELF_MODEL_OBSERVER_H_
+#define MASH_SHELF_SHELF_MODEL_OBSERVER_H_
 
-#include "ash/ash_export.h"
-#include "ash/shelf/shelf_item_types.h"
+#include "mash/shelf/shelf_item_types.h"
 
-namespace ash {
+namespace mash {
+namespace shelf {
 
 struct ShelfItem;
 
-class ASH_EXPORT ShelfModelObserver {
+class ShelfModelObserver {
  public:
   // Invoked after an item has been added to the model.
   virtual void ShelfItemAdded(int index) = 0;
@@ -36,6 +36,7 @@ class ASH_EXPORT ShelfModelObserver {
   virtual ~ShelfModelObserver() {}
 };
 
-}  // namespace ash
+}  // namespace shelf
+}  // namespace mash
 
-#endif  // ASH_SHELF_SHELF_MODEL_OBSERVER_H_
+#endif  // MASH_SHELF_SHELF_MODEL_OBSERVER_H_