ash: Rename LauncherModelObserver to ShelfModelObserver.

ash/shelf/shelf_model_observer.h

Index: ash/shelf/shelf_model_observer.h
diff --git a/ash/launcher/launcher_model_observer.h b/ash/shelf/shelf_model_observer.h
similarity index 53%
rename from ash/launcher/launcher_model_observer.h
rename to ash/shelf/shelf_model_observer.h
index 16067c02efddeb04bea7827386a220537ad1170d..8fb49aecde731116db575184ddb2861ee66ff378 100644
--- a/ash/launcher/launcher_model_observer.h
+++ b/ash/shelf/shelf_model_observer.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 ASH_LAUNCHER_LAUNCHER_MODEL_OBSERVER_H_
-#define ASH_LAUNCHER_LAUNCHER_MODEL_OBSERVER_H_
+#ifndef ASH_SHELF_SHELF_MODEL_OBSERVER_H_
+#define ASH_SHELF_SHELF_MODEL_OBSERVER_H_
 
 #include "ash/ash_export.h"
 #include "ash/launcher/launcher_types.h"
@@ -12,30 +12,30 @@ namespace ash {
 
 struct LauncherItem;
 
-class ASH_EXPORT LauncherModelObserver {
+class ASH_EXPORT ShelfModelObserver {
  public:
   // Invoked after an item has been added to the model.
-  virtual void LauncherItemAdded(int index) = 0;
+  virtual void ShelfItemAdded(int index) = 0;
 
   // Invoked after an item has been removed. |index| is the index the item was
   // at.
-  virtual void LauncherItemRemoved(int index, LauncherID id) = 0;
+  virtual void ShelfItemRemoved(int index, LauncherID id) = 0;
 
   // Invoked after an item has been moved. See LauncherModel::Move() for details
   // of the arguments.
-  virtual void LauncherItemMoved(int start_index, int target_index) = 0;
+  virtual void ShelfItemMoved(int start_index, int target_index) = 0;
 
   // Invoked when the state of an item changes. |old_item| is the item
   // before the change.
-  virtual void LauncherItemChanged(int index, const LauncherItem& old_item) = 0;
+  virtual void ShelfItemChanged(int index, const LauncherItem& old_item) = 0;
 
-  // Invoked when launcher status is changed.
-  virtual void LauncherStatusChanged() = 0;
+  // Invoked when shelf status is changed.
+  virtual void ShelfStatusChanged() = 0;
 
  protected:
-  virtual ~LauncherModelObserver() {}
+  virtual ~ShelfModelObserver() {}
 };
 
 }  // namespace ash
 
-#endif  // ASH_LAUNCHER_LAUNCHER_MODEL_OBSERVER_H_
+#endif  // ASH_SHELF_SHELF_MODEL_OBSERVER_H_