Remove candidate show/hide/update related code

ui/base/ime/input_method_base.h

 // Copyright (c) 2012 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_INPUT_METHOD_BASE_H_
 #define UI_BASE_IME_INPUT_METHOD_BASE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 67 matching lines @@
   // Returns true if the event was processed
   bool DispatchKeyEventPostIME(const ui::KeyEvent& event) const;
 
   // Convenience method to notify all observers of TextInputClient changes.
   void NotifyTextInputStateChanged(const TextInputClient* client);
 
   // Convenience method to notify all observers of CaretBounds changes on
   // |client| which is the text input client with focus.
   void NotifyTextInputCaretBoundsChanged(const TextInputClient* client);
 
-  // Interface for for signalling candidate window events.
-  // See also *Callback functions below. To avoid reentrancy issue that
-  // TextInputClient manipulates IME state during even handling, these methods
-  // defer sending actual signals to renderer.
-  void OnCandidateWindowShown();
-  void OnCandidateWindowUpdated();
-  void OnCandidateWindowHidden();
-
   bool system_toplevel_window_focused() const {
     return system_toplevel_window_focused_;
   }
 
  private:
   void SetFocusedTextInputClientInternal(TextInputClient* client);
 
-  // Deferred callbacks for signalling TextInputClient about candidate window
-  // appearance changes.
-  void CandidateWindowShownCallback();
-  void CandidateWindowUpdatedCallback();
-  void CandidateWindowHiddenCallback();
-
   internal::InputMethodDelegate* delegate_;
   TextInputClient* text_input_client_;
 
   ObserverList<InputMethodObserver> observer_list_;
 
   bool system_toplevel_window_focused_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodBase);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_INPUT_METHOD_BASE_H_