Add UIControlsAsh that works with multiple root windows

ash/shell_factory.h

Index: ash/shell_factory.h
diff --git a/ash/shell_factory.h b/ash/shell_factory.h
index f18c57af4a395f8a95f1d98b4b22b47256b9d852..5f991f7b3192d52d3fb25c5ecd2da14db4ae70bc 100644
--- a/ash/shell_factory.h
+++ b/ash/shell_factory.h
@@ -17,11 +17,16 @@ namespace gfx {
 class ImageSkia;
 }
 
+namespace ui_controls {
+class UIControlsAura;
+}
+
 namespace views {
 class View;
 class Widget;
 }
 
+

[sky, 2012/06/07 22:18:05]

nit: remove this line.

[oshima, 2012/06/08 00:24:10]

Done.

 // Declarations of shell component factory functions.
 
 namespace ash {
@@ -30,7 +35,10 @@ namespace internal {
 void CreateDesktopBackground(const gfx::ImageSkia& wallpaper,
                              WallpaperLayout wallpaper_layout,
                              aura::RootWindow* root_window);
+
 ASH_EXPORT views::Widget* CreateStatusArea(views::View* contents);
+
+ui_controls::UIControlsAura* CreateUIControls();
 }  // namespace internal
 
 }  // namespace ash