input_method: Remove an unneccessary include of mock_bus.h

chrome/browser/chromeos/input_method/input_method_engine_ibus_browserttests.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 "base/bind_helpers.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_test_message_listener.h"
 #include "chrome/common/extensions/background_info.h"
 #include "chromeos/dbus/ibus/ibus_text.h"
 #include "chromeos/ime/component_extension_ime_manager.h"
 #include "chromeos/ime/ibus_bridge.h"
 #include "chromeos/ime/input_method_descriptor.h"
 #include "chromeos/ime/input_method_manager.h"
 #include "chromeos/ime/mock_ime_candidate_window_handler.h"
 #include "chromeos/ime/mock_ime_input_context_handler.h"
 #include "chromeos/ime/mock_ime_property_handler.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_utils.h"
-#include "dbus/mock_bus.h"
 
 namespace chromeos {
 namespace input_method {
 namespace {
 
 const char kIdentityIMEID[] =
     "_ext_ime_iafoklpfplgfnoimmaejoeondnjnlcfpIdentityIME";
 const char kToUpperIMEID[] =
     "_ext_ime_iafoklpfplgfnoimmaejoeondnjnlcfpToUpperIME";
 const char kAPIArgumentIMEID[] =
@@ skipping 765 matching lines @@
               mock_input_context->last_delete_surrounding_text_arg().length);
   }
   IBusBridge::Get()->SetInputContextHandler(NULL);
   IBusBridge::Get()->SetCandidateWindowHandler(NULL);
   IBusBridge::Get()->SetPropertyHandler(NULL);
 }
 
 }  // namespace
 }  // namespace input_method
 }  // namespace chromeos