Remove candidate show/hide/update related code

ui/base/ime/dummy_text_input_client.cc

 // 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.
 
 #include "ui/base/ime/dummy_text_input_client.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace ui {
 
 DummyTextInputClient::DummyTextInputClient()
@@ skipping 88 matching lines @@
   return false;
 }
 
 void DummyTextInputClient::ExtendSelectionAndDelete(size_t before,
                                                     size_t after) {
 }
 
 void DummyTextInputClient::EnsureCaretInRect(const gfx::Rect& rect)  {
 }
 
-void DummyTextInputClient::OnCandidateWindowShown() {
-}
-
-void DummyTextInputClient::OnCandidateWindowUpdated() {
-}
-
-void DummyTextInputClient::OnCandidateWindowHidden() {
-}
-
 bool DummyTextInputClient::IsEditCommandEnabled(int command_id) {
   return false;
 }
 
 void DummyTextInputClient::SetEditCommandForNextKeyEvent(int command_id) {
 }
 
 }  // namespace ui