Wrap the virtual keyboard in a container view.

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

Index: chrome/browser/ui/touch/frame/keyboard_container_view.h
diff --git a/chrome/browser/ui/touch/frame/keyboard_container_view.h b/chrome/browser/ui/touch/frame/keyboard_container_view.h
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+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_UI_TOUCH_FRAME_KEYBOARD_CONTAINER_VIEW_H_
+#define CHROME_BROWSER_UI_TOUCH_FRAME_KEYBOARD_CONTAINER_VIEW_H_
+#pragma once
+
+#include "views/view.h"
+
+class DOMView;
+class Profile;
+
+// A class that contains and decorates the virtual keyboard.
+//
+// This class is also responsible for managing focus of all views related to
+// the keyboard to prevent them from interfering with the ClientView.
+class KeyboardContainerView : public views::View {
+ public:
+  explicit KeyboardContainerView(Profile* profile);
+  virtual ~KeyboardContainerView();
+
+  // Overridden from views::View
+  virtual void Layout();
+
+ protected:
+  // Overridden from views::View
+  virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
+
+ private:
+  DOMView* dom_view_;
+
+  DISALLOW_COPY_AND_ASSIGN(KeyboardContainerView);
+};
+
+#endif  // CHROME_BROWSER_UI_TOUCH_FRAME_KEYBOARD_CONTAINER_VIEW_H_