Implement ui for re-parenting an item from an app list folder to another position or folder in the …

ui/app_list/views/folder_header_view.h

Index: ui/app_list/views/folder_header_view.h
diff --git a/ui/app_list/views/folder_header_view.h b/ui/app_list/views/folder_header_view.h
index fb1183050545293529149a76c4463a6e847cf7c0..8c2e8eab6053015caf2eeef1e1fa89974aa0f963 100644
--- a/ui/app_list/views/folder_header_view.h
+++ b/ui/app_list/views/folder_header_view.h
@@ -32,6 +32,8 @@ class FolderHeaderView : public views::View,
   virtual ~FolderHeaderView();
 
   void SetFolderItem(AppListFolderItem* folder_item);
+  void UpdateFolderNameVisibility(bool visible);
+  void OnFolderItemRemoved();
 
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
@@ -42,19 +44,19 @@ class FolderHeaderView : public views::View,
   // Updates UI.
   void Update();
 
-  // Overriden from views::View:
+  // views::View overrides:
   virtual void Layout() OVERRIDE;
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 
-  // Overridden from views::TextfieldController:
+  // views::TextfieldController overrides:
   virtual void ContentsChanged(views::Textfield* sender,
                                const base::string16& new_contents) OVERRIDE;
 
-  // Overridden from views::ButtonListener:
+  // views::ButtonListener overrides:
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
-  // Overridden from AppListItemObserver:
+  // AppListItemObserver overrides:
   virtual void ItemIconChanged() OVERRIDE;
   virtual void ItemTitleChanged() OVERRIDE;
   virtual void ItemHighlightedChanged() OVERRIDE;
@@ -68,6 +70,8 @@ class FolderHeaderView : public views::View,
 
   FolderHeaderViewDelegate* delegate_;
 
+  bool folder_name_visible_;
+
   DISALLOW_COPY_AND_ASSIGN(FolderHeaderView);
 };