cleanup: Use IsTextInputTypeNone() in OnInputMethodChanged().

ui/base/ime/input_method_base.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 "ui/base/ime/input_method_base.h"
 
 #include "base/logging.h"
 #include "ui/base/ime/input_method_delegate.h"
 #include "ui/base/ime/text_input_client.h"
 
@@ skipping 53 matching lines @@
 bool InputMethodBase::IsTextInputClientFocused(const TextInputClient* client) {
   return client && (client == GetTextInputClient());
 }
 
 bool InputMethodBase::IsTextInputTypeNone() const {
   return GetTextInputType() == TEXT_INPUT_TYPE_NONE;
 }
 
 void InputMethodBase::OnInputMethodChanged() const {
   TextInputClient* client = GetTextInputClient();
-  if (client && client->GetTextInputType() != TEXT_INPUT_TYPE_NONE)
+  if (!IsTextInputTypeNone())
     client->OnInputMethodChanged();
 }
 
 void InputMethodBase::DispatchKeyEventPostIME(
     const base::NativeEvent& native_event) const {
   if (delegate_)
     delegate_->DispatchKeyEventPostIME(native_event);
 }
 
 void InputMethodBase::DispatchFabricatedKeyEventPostIME(EventType type,
                                                         KeyboardCode key_code,
                                                         int flags) const {
   if (delegate_)
     delegate_->DispatchFabricatedKeyEventPostIME(type, key_code, flags);
 }
 
 }  // namespace ui