Update some uses of char16 to use the base:: namespace.

ui/base/ime/dummy_text_input_client.cc

 // Copyright 2013 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/dummy_text_input_client.h"
 #include "ui/gfx/rect.h"
 
 namespace ui {
 
 DummyTextInputClient::DummyTextInputClient() {
 }
 
 DummyTextInputClient::~DummyTextInputClient() {
 }
 
 void DummyTextInputClient::SetCompositionText(
     const ui::CompositionText& composition) {
 }
 
 void DummyTextInputClient::ConfirmCompositionText() {
 }
 
 void DummyTextInputClient::ClearCompositionText() {
 }
 
 void DummyTextInputClient::InsertText(const base::string16& text) {
 }
 
-void DummyTextInputClient::InsertChar(char16 ch, int flags) {
+void DummyTextInputClient::InsertChar(base::char16 ch, int flags) {
 }
 
 gfx::NativeWindow DummyTextInputClient::GetAttachedWindow() const {
   return NULL;
 }
 
 ui::TextInputType DummyTextInputClient::GetTextInputType() const {
   return TEXT_INPUT_TYPE_NONE;
 }
 
@@ skipping 62 matching lines @@
 void DummyTextInputClient::OnCandidateWindowShown() {
 }
 
 void DummyTextInputClient::OnCandidateWindowUpdated() {
 }
 
 void DummyTextInputClient::OnCandidateWindowHidden() {
 }
 
 }  // namespace ui