Fix candidate window position issue.

ui/base/ime/mock_ibus_client.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/mock_ibus_client.h"
 
 #include <glib-object.h>
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
@@ skipping 184 matching lines @@
 }
 
 IBusClient::InputMethodType MockIBusClient::GetInputMethodType() {
   return input_method_type_;
 }
 
 void MockIBusClient::SetCursorLocation(IBusInputContext* context,
                                        int32 x,
                                        int32 y,
                                        int32 w,
-                                       int32 h) {
+                                       int32 h,
+                                       const gfx::Rect& composition_head) {
   ++set_cursor_location_call_count_;
 }
 
 void MockIBusClient::SendKeyEvent(IBusInputContext* context,
                                   uint32 keyval,
                                   uint32 keycode,
                                   uint32 state,
                                   PendingKeyEvent* pending_key) {
   // TODO(yusukes): implement this function.
 }
@@ skipping 21 matching lines @@
   destroy_proxy_call_count_ = 0;
   set_capabilities_call_count_ = 0;
   focus_in_call_count_ = 0;
   focus_out_call_count_ = 0;
   reset_call_count_ = 0;
   set_cursor_location_call_count_ = 0;
 }
 
 }  // namespace internal
 }  // namespace ui