Replace scoped_ptr with std::unique_ptr in //ui

ui/app_list/app_list_item_list.h

Index: ui/app_list/app_list_item_list.h
diff --git a/ui/app_list/app_list_item_list.h b/ui/app_list/app_list_item_list.h
index 30f8d6f84af92699ae1f9b8bff626b4264b72e9f..90c1f989a6b60258c3f3e178bca0d2ccffc98dba 100644
--- a/ui/app_list/app_list_item_list.h
+++ b/ui/app_list/app_list_item_list.h
@@ -7,10 +7,10 @@
 
 #include <stddef.h>
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/observer_list.h"
 #include "sync/api/string_ordinal.h"
@@ -77,7 +77,7 @@ class APP_LIST_EXPORT AppListItemList {
   // Adds |item| to the end of |app_list_items_|. Takes ownership of |item|.
   // Triggers observers_.OnListItemAdded(). Returns a pointer to the added item
   // that is safe to use (e.g. after releasing a scoped ptr).
-  AppListItem* AddItem(scoped_ptr<AppListItem> item_ptr);
+  AppListItem* AddItem(std::unique_ptr<AppListItem> item_ptr);
 
   // Finds item matching |id| in |app_list_items_| (linear search) and deletes
   // it. Triggers observers_.OnListItemRemoved() after removing the item from
@@ -86,11 +86,11 @@ class APP_LIST_EXPORT AppListItemList {
 
   // Removes the item with matching |id| in |app_list_items_| without deleting
   // it. Returns a scoped pointer containing the removed item.
-  scoped_ptr<AppListItem> RemoveItem(const std::string& id);
+  std::unique_ptr<AppListItem> RemoveItem(const std::string& id);
 
   // Removes the item at |index| from |app_list_items_| without deleting it.
   // Returns a scoped pointer containing the removed item.
-  scoped_ptr<AppListItem> RemoveItemAt(size_t index);
+  std::unique_ptr<AppListItem> RemoveItemAt(size_t index);
 
   // Deletes item at |index| and signals observers.
   void DeleteItemAt(size_t index);