Remove the 2-level input method system & InputMethodBridge.

ui/views/controls/prefix_selector.h

 // Copyright 2013 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_CONTROLS_PREFIX_SELECTOR_H_
 #define UI_VIEWS_CONTROLS_PREFIX_SELECTOR_H_
 
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "ui/base/ime/text_input_client.h"
@@ skipping 12 matching lines @@
 
   // Invoked from the view when it loses focus.
   void OnViewBlur();
 
   // ui::TextInputClient:
   void SetCompositionText(const ui::CompositionText& composition) override;
   void ConfirmCompositionText() override;
   void ClearCompositionText() override;
   void InsertText(const base::string16& text) override;
   void InsertChar(base::char16 ch, int flags) override;
-  gfx::NativeWindow GetAttachedWindow() const override;
   ui::TextInputType GetTextInputType() const override;
   ui::TextInputMode GetTextInputMode() const override;
   int GetTextInputFlags() const override;
   bool CanComposeInline() const override;
   gfx::Rect GetCaretBounds() const override;
   bool GetCompositionCharacterBounds(uint32 index,
                                      gfx::Rect* rect) const override;
   bool HasCompositionText() const override;
   bool GetTextRange(gfx::Range* range) const override;
   bool GetCompositionTextRange(gfx::Range* range) const override;
@@ skipping 27 matching lines @@
   base::TimeTicks time_of_last_key_;
 
   base::string16 current_text_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefixSelector);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_PREFIX_SELECTOR_H_