Remove candidate show/hide/update related code

ui/views/ime/input_method_bridge.cc

 // 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.
 
 #include "ui/views/ime/input_method_bridge.h"
 
 #include "ui/base/ime/input_method.h"
 #include "ui/base/ime/input_method_observer.h"
 #include "ui/events/event.h"
 #include "ui/gfx/geometry/rect.h"
@@ skipping 293 matching lines @@
   if (client)
     client->ExtendSelectionAndDelete(before, after);
 }
 
 void InputMethodBridge::EnsureCaretInRect(const gfx::Rect& rect) {
   TextInputClient* client = GetTextInputClient();
   if (client)
     client->EnsureCaretInRect(rect);
 }
 
-void InputMethodBridge::OnCandidateWindowShown() {
-}
-
-void InputMethodBridge::OnCandidateWindowUpdated() {
-}
-
-void InputMethodBridge::OnCandidateWindowHidden() {
-}
-
 bool InputMethodBridge::IsEditCommandEnabled(int command_id) {
   TextInputClient* client = GetTextInputClient();
   return client ? client->IsEditCommandEnabled(command_id) : false;
 }
 
 void InputMethodBridge::SetEditCommandForNextKeyEvent(int command_id) {
   TextInputClient* client = GetTextInputClient();
   if (client)
     client->SetEditCommandForNextKeyEvent(command_id);
 }
@@ skipping 11 matching lines @@
   OnTextInputTypeChanged(focused);
   OnCaretBoundsChanged(focused);
 }
 
 ui::InputMethod* InputMethodBridge::GetHostInputMethod() const {
   return host_;
 }
 
 
 }  // namespace views