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

content/browser/webui/web_ui_impl.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 "content/browser/webui/web_ui_impl.h"
 
 #include "base/json/json_writer.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "content/browser/child_process_security_policy_impl.h"
@@ skipping 16 matching lines @@
 const WebUI::TypeID WebUI::kNoWebUI = NULL;
 
 // static
 base::string16 WebUI::GetJavascriptCall(
     const std::string& function_name,
     const std::vector<const base::Value*>& arg_list) {
   base::string16 parameters;
   std::string json;
   for (size_t i = 0; i < arg_list.size(); ++i) {
     if (i > 0)
-      parameters += char16(',');
+      parameters += base::char16(',');
 
     base::JSONWriter::Write(arg_list[i], &json);
     parameters += base::UTF8ToUTF16(json);
   }
   return base::ASCIIToUTF16(function_name) +
-      char16('(') + parameters + char16(')') + char16(';');
+      base::char16('(') + parameters + base::char16(')') + base::char16(';');
 }
 
 WebUIImpl::WebUIImpl(WebContents* contents)
     : link_transition_type_(PAGE_TRANSITION_LINK),
       bindings_(BINDINGS_POLICY_WEB_UI),
       web_contents_(contents) {
   DCHECK(contents);
 }
 
 WebUIImpl::~WebUIImpl() {
@@ skipping 176 matching lines @@
   handlers_.push_back(handler);
 }
 
 void WebUIImpl::ExecuteJavascript(const base::string16& javascript) {
   static_cast<RenderViewHostImpl*>(
       web_contents_->GetRenderViewHost())->ExecuteJavascriptInWebFrame(
       base::ASCIIToUTF16(frame_xpath_), javascript);
 }
 
 }  // namespace content