Purge the App Launcher code from Windows.

ui/app_list/views/app_list_view.h

Index: ui/app_list/views/app_list_view.h
diff --git a/ui/app_list/views/app_list_view.h b/ui/app_list/views/app_list_view.h
index 1499ce1eaf6a64622b65a2d0ba407516518efbc1..9021e25cc830ce5f642f895b1af3747fcbea7aa6 100644
--- a/ui/app_list/views/app_list_view.h
+++ b/ui/app_list/views/app_list_view.h
@@ -103,7 +103,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDialogDelegateView,
   // Overridden from views::View:
   gfx::Size GetPreferredSize() const override;
   void OnPaint(gfx::Canvas* canvas) override;
-  void OnThemeChanged() override;
 
   // WidgetDelegate overrides:
   bool ShouldHandleSystemCommands() const override;
@@ -125,10 +124,6 @@ class APP_LIST_EXPORT AppListView : public views::BubbleDialogDelegateView,
   // Set a callback to be called the next time any app list paints.
   void SetNextPaintCallback(const base::Closure& callback);
 
-#if defined(OS_WIN)
-  HWND GetHWND() const;
-#endif
-
   AppListMainView* app_list_main_view() { return app_list_main_view_; }
 
   // Gets the PaginationModel owned by this view's apps grid.