Update uses of UTF conversions in content/ to use the base:: namespace.

content/renderer/npapi/webplugin_delegate_proxy.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/renderer/npapi/webplugin_delegate_proxy.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #elif defined(USE_X11)
 #include <cairo/cairo.h>
@@ skipping 1193 matching lines @@
   if (plugin_)
     plugin_->AcceleratedPluginSwappedIOSurface();
 }
 #endif
 
 #if defined(OS_WIN)
 bool WebPluginDelegateProxy::UseSynchronousGeometryUpdates() {
   // Need to update geometry synchronously with WMP, otherwise if a site
   // scripts the plugin to start playing while it's in the middle of handling
   // an update geometry message, videos don't play.  See urls in bug 20260.
-  if (info_.name.find(ASCIIToUTF16("Windows Media Player")) !=
+  if (info_.name.find(base::ASCIIToUTF16("Windows Media Player")) !=
       base::string16::npos)
     return true;
 
   // The move networks plugin needs to be informed of geometry updates
   // synchronously.
   std::vector<WebPluginMimeType>::iterator index;
   for (index = info_.mime_types.begin(); index != info_.mime_types.end();
        index++) {
     if (index->mime_type == "application/x-vnd.moveplayer.qm" ||
         index->mime_type == "application/x-vnd.moveplay2.qm" ||
@@ skipping 13 matching lines @@
 
   plugin_->URLRedirectResponse(allow, resource_id);
 }
 
 void WebPluginDelegateProxy::OnCheckIfRunInsecureContent(const GURL& url,
                                                          bool* result) {
   *result = plugin_->CheckIfRunInsecureContent(url);
 }
 
 }  // namespace content