Enable KeyboardOverlayDialog on aura.

chrome/browser/ui/views/window.h

Index: chrome/browser/ui/views/window.h
diff --git a/chrome/browser/ui/views/window.h b/chrome/browser/ui/views/window.h
index da9496c9b929a04fc1e9c3f682058fcfac698413..7da8cae7e012e72aab71ba21b065a2f457c54cb3 100644
--- a/chrome/browser/ui/views/window.h
+++ b/chrome/browser/ui/views/window.h
@@ -8,6 +8,7 @@
 
 #include "chrome/browser/ui/dialog_style.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/gfx/rect.h"
 
 namespace views {
 class BubbleDelegateView;
@@ -22,6 +23,17 @@ views::Widget* CreateViewsWindow(gfx::NativeWindow parent,
                                  views::WidgetDelegate* delegate,
                                  DialogStyle style);
 
+// Create a frameless window for given |delegate|.
+views::Widget* CreateFramelessViewsWindow(gfx::NativeWindow parent,
+                                          views::WidgetDelegate* delegate);
+
+// Create a framelss window with given |delegate|, |parent| and |bounds|.
+views::Widget* CreateFramelessWindowWithParentAndBounds(
+    views::WidgetDelegate* delegate,
+    gfx::NativeWindow parent,
+    const gfx::Rect& bounds);
+
+
 // Create a bubble for a given |delegate|. Takes care of chromeos
 // specific window type setting if needed.
 views::Widget* CreateViewsBubble(views::BubbleDelegateView* delegate);