Wrap the virtual keyboard in a container view.

chrome/browser/ui/touch/frame/touch_browser_frame_view.h

Index: chrome/browser/ui/touch/frame/touch_browser_frame_view.h
diff --git a/chrome/browser/ui/touch/frame/touch_browser_frame_view.h b/chrome/browser/ui/touch/frame/touch_browser_frame_view.h
index 7fb5703d1feff00ee3480cac11c1d39c2ed18d74..35da0b543bd2287ddda428a927de357b08ca2310 100644
--- a/chrome/browser/ui/touch/frame/touch_browser_frame_view.h
+++ b/chrome/browser/ui/touch/frame/touch_browser_frame_view.h
@@ -12,7 +12,7 @@
 
 class BrowserFrame;
 class BrowserView;
-class DOMView;
+class KeyboardContainerView;
 class NotificationDetails;
 class NotificationSource;
 
@@ -40,7 +40,7 @@ class TouchBrowserFrameView : public OpaqueBrowserFrameView,
                        const NotificationDetails& details);
 
   bool keyboard_showing_;
-  DOMView* keyboard_;
+  KeyboardContainerView* keyboard_;
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(TouchBrowserFrameView);