Remove candidate show/hide/update related code

ui/base/ime/input_method_win.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/base/ime/input_method_win.h"
 
 #include "base/basictypes.h"
 #include "base/profiler/scoped_tracker.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/base/ime/win/tsf_input_scope.h"
@@ skipping 348 matching lines @@
 LRESULT InputMethodWin::OnImeNotify(UINT message,
                                     WPARAM wparam,
                                     LPARAM lparam,
                                     BOOL* handled) {
   // TODO(vadimt): Remove ScopedTracker below once crbug.com/440919 is fixed.
   tracked_objects::ScopedTracker tracking_profile(
       FROM_HERE_WITH_EXPLICIT_FUNCTION("440919 InputMethodWin::OnImeNotify"));
 
   *handled = FALSE;
 
-  bool previous_state = is_candidate_popup_open_;
-
   // Update |is_candidate_popup_open_|, whether a candidate window is open.
   switch (wparam) {
   case IMN_OPENCANDIDATE:
     is_candidate_popup_open_ = true;
-    if (!previous_state)
-      OnCandidateWindowShown();
     break;
   case IMN_CLOSECANDIDATE:
     is_candidate_popup_open_ = false;
-    if (previous_state)
-      OnCandidateWindowHidden();
-    break;
-  case IMN_CHANGECANDIDATE:
-    // TODO(kochi): The IME API expects this event to notify window size change,
-    // while this may fire more often without window resize. There is no generic
-    // way to get bounds of candidate window.
-    OnCandidateWindowUpdated();
     break;
   }
 
   return 0;
 }
 
 LRESULT InputMethodWin::OnImeRequest(UINT message,
                                      WPARAM wparam,
                                      LPARAM lparam,
                                      BOOL* handled) {
@@ skipping 231 matching lines @@
       enabled_ = true;
       break;
   }
 
   imm32_manager_.SetTextInputMode(window_handle, text_input_mode);
   tsf_inputscope::SetInputScopeForTsfUnawareWindow(
       window_handle, text_input_type, text_input_mode);
 }
 
 }  // namespace ui