Remove virtual keyboard support from ui/views/ime/.

ui/views/ime/text_input_type_tracker.h

Index: ui/views/ime/text_input_type_tracker.h
diff --git a/ui/views/ime/text_input_type_tracker.h b/ui/views/ime/text_input_type_tracker.h
deleted file mode 100644
index aff74c875fb1aa7dcafda940683402983e97a003..0000000000000000000000000000000000000000
--- a/ui/views/ime/text_input_type_tracker.h
+++ /dev/null
@@ -1,60 +0,0 @@
-// 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 UI_VIEWS_IME_TEXT_INPUT_TYPE_TRACKER_H_
-#define UI_VIEWS_IME_TEXT_INPUT_TYPE_TRACKER_H_
-#pragma once
-
-#include "base/memory/singleton.h"
-#include "base/observer_list.h"
-#include "ui/base/ime/text_input_type.h"
-#include "ui/views/views_export.h"
-
-namespace views {
-
-class Widget;
-
-// This interface should be implemented by classes that want to be notified when
-// the text input type of the focused widget is changed or the focused widget is
-// changed.
-class TextInputTypeObserver {
- public:
-  // This function will be called, when the text input type of focused |widget|
-  // is changed or the the widget is getting/losing focus.
-  virtual void TextInputTypeChanged(ui::TextInputType type, Widget* widget) = 0;
-
- protected:
-  virtual ~TextInputTypeObserver() {}
-};
-
-// This class is for tracking the text input type of focused widget.
-class VIEWS_EXPORT TextInputTypeTracker {
- public:
-  // Returns the singleton instance.
-  static TextInputTypeTracker* GetInstance();
-
-  // Adds/removes a TextInputTypeObserver |observer| to the set of
-  // active observers.
-  void AddTextInputTypeObserver(TextInputTypeObserver* observer);
-  void RemoveTextInputTypeObserver(TextInputTypeObserver* observer);
-
-  // views::InputMethod should call this function with new text input |type| and
-  // the |widget| associated with the input method, when the text input type
-  // is changed.
-  // Note: The widget should have focus or is losing focus.
-  void OnTextInputTypeChanged(ui::TextInputType type, Widget* widget);
-
- private:
-  TextInputTypeTracker();
-  ~TextInputTypeTracker();
-
-  ObserverList<TextInputTypeObserver> text_input_type_observers_;
-
-  friend struct DefaultSingletonTraits<TextInputTypeTracker>;
-  DISALLOW_COPY_AND_ASSIGN(TextInputTypeTracker);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_IME_TEXT_INPUT_TYPE_TRACKER_H_