Remove candidate show/hide/update related code

ui/base/ime/dummy_text_input_client.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_BASE_IME_DUMMY_TEXT_INPUT_CLIENT_H_
 #define UI_BASE_IME_DUMMY_TEXT_INPUT_CLIENT_H_
 
 #include "ui/base/ime/text_input_client.h"
 
 namespace ui {
@@ skipping 25 matching lines @@
   bool GetSelectionRange(gfx::Range* range) const override;
   bool SetSelectionRange(const gfx::Range& range) override;
   bool DeleteRange(const gfx::Range& range) override;
   bool GetTextFromRange(const gfx::Range& range,
                         base::string16* text) const override;
   void OnInputMethodChanged() override;
   bool ChangeTextDirectionAndLayoutAlignment(
       base::i18n::TextDirection direction) override;
   void ExtendSelectionAndDelete(size_t before, size_t after) override;
   void EnsureCaretInRect(const gfx::Rect& rect) override;
-  void OnCandidateWindowShown() override;
-  void OnCandidateWindowUpdated() override;
-  void OnCandidateWindowHidden() override;
   bool IsEditCommandEnabled(int command_id) override;
   void SetEditCommandForNextKeyEvent(int command_id) override;
 
   TextInputType text_input_type_;
 
   DISALLOW_COPY_AND_ASSIGN(DummyTextInputClient);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_DUMMY_TEXT_INPUT_CLIENT_H_