Fix the issue that virtual keyboard does not show up.

views/ime/input_method_ibus.cc

 // Copyright (c) 2011 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 "views/ime/input_method_ibus.h"
 
 #include <ibus.h>
 
 #include <cstring>
 #include <set>
@@ skipping 447 matching lines @@
   // Not supported.
   return std::string("");
 }
 
 base::i18n::TextDirection InputMethodIBus::GetInputTextDirection() {
   // Not supported.
   return base::i18n::UNKNOWN_DIRECTION;
 }
 
 bool InputMethodIBus::IsActive() {
-  return context_ != NULL;
+  return true;
 }
 
 // static
 bool InputMethodIBus::IsInputMethodIBusEnabled() {
 #if defined(TOUCH_UI)
   return true;
 #else
   return inputmethod_ibus_enabled ||
       CommandLine::ForCurrentProcess()->HasSwitch(
           kEnableInputMethodIBusSwitch);
@@ skipping 533 matching lines @@
   DCHECK_EQ(GetIBus(), bus);
   DCHECK(data);
   IBusInputContext* ic =
       ibus_bus_create_input_context_async_finish(bus, res, NULL);
   if (ic)
     data->StoreOrAbandonInputContext(ic);
   delete data;
 }
 
 }  // namespace views