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

ui/base/ime/input_method_ibus_unittest.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 <X11/Xlib.h>
 #undef Bool
 #undef FocusIn
 #undef FocusOut
 #undef None
 
@@ skipping 304 matching lines @@
     return true;
   }
   virtual void OnInputMethodChanged() OVERRIDE {
     ++on_input_method_changed_call_count_;
   }
   virtual bool ChangeTextDirectionAndLayoutAlignment(
       base::i18n::TextDirection direction) OVERRIDE { return false; }
   virtual void ExtendSelectionAndDelete(size_t before,
                                         size_t after) OVERRIDE { }
   virtual void EnsureCaretInRect(const gfx::Rect& rect) OVERRIDE { }
+  virtual void OnCandidateWindowShow() OVERRIDE { }
+  virtual void OnCandidateWindowUpdate() OVERRIDE { }
+  virtual void OnCandidateWindowHide() OVERRIDE { }
 
   bool HasNativeEvent() const {
     base::NativeEvent empty;
     std::memset(&empty, 0, sizeof(empty));
     return !!std::memcmp(&dispatched_native_event_,
                          &empty,
                          sizeof(dispatched_native_event_));
   }
 
   void ResetFlags() {
@@ skipping 691 matching lines @@
   ime_->ResetContext();
 
   // Do callback.
   mock_ime_engine_handler_->last_passed_callback().Run(true);
 
   EXPECT_EQ(0, ime_->process_key_event_post_ime_call_count());
 }
 // TODO(nona): Introduce ProcessKeyEventPostIME tests(crbug.com/156593).
 
 }  // namespace ui