[FYI] All-in-one OnCandidateWindow{Show,Update,Hide}

ui/base/ime/win/mock_tsf_bridge.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_WIN_MOCK_TSF_BRIDGE_H_
 #define UI_BASE_IME_WIN_MOCK_TSF_BRIDGE_H_
 
 #include <msctf.h>
 
 #include "base/compiler_specific.h"
@@ skipping 11 matching lines @@
   // TSFBridge:
   virtual bool CancelComposition() OVERRIDE;
   virtual bool ConfirmComposition() OVERRIDE;
   virtual void OnTextInputTypeChanged(const TextInputClient* client) OVERRIDE;
   virtual void OnTextLayoutChanged() OVERRIDE;
   virtual void SetFocusedClient(HWND focused_window,
                                 TextInputClient* client) OVERRIDE;
   virtual void RemoveFocusedClient(TextInputClient* client) OVERRIDE;
   virtual base::win::ScopedComPtr<ITfThreadMgr> GetThreadManager() OVERRIDE;
   virtual TextInputClient* GetFocusedTextInputClient() const OVERRIDE;
+  virtual void OnCandidateWindowShown() OVERRIDE;
+  virtual void OnCandidateWindowUpdated() OVERRIDE;
+  virtual void OnCandidateWindowHidden() OVERRIDE;
 
   // Resets MockTSFBridge state including function call counter.
   void Reset();
 
   // Call count of EnableIME().
   int enable_ime_call_count() const { return enable_ime_call_count_; }
 
   // Call count of DisableIME().
   int disalbe_ime_call_count() const { return disalbe_ime_call_count_; }
 
@@ skipping 49 matching lines @@
   HWND focused_window_;
   TextInputType latest_text_input_type_;
   base::win::ScopedComPtr<ITfThreadMgr> thread_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(MockTSFBridge);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_WIN_MOCK_TSF_BRIDGE_H_