Update some uses of UTF conversions in chrome/browser to use the base:: namespace.

chrome/browser/ui/gtk/create_application_shortcuts_dialog_gtk.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 "chrome/browser/ui/gtk/create_application_shortcuts_dialog_gtk.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/environment.h"
@@ skipping 143 matching lines @@
       description_label,
       IDS_CREATE_SHORTCUTS_DIALOG_WIDTH_CHARS, -1, &label_width, NULL);
   label_width -= ui::kControlSpacing * 3 +
       gdk_pixbuf_get_width(favicon_pixbuf_);
   // Enforce a minimum width, so that very large icons do not cause the label
   // width to shrink to unreadable size, or become negative (which would crash).
   if (label_width < kDescriptionLabelMinimumWidthPixels)
     label_width = kDescriptionLabelMinimumWidthPixels;
   gtk_util::SetLabelWidth(description_label, label_width);
 
-  std::string description(UTF16ToUTF8(shortcut_info_.description));
-  std::string title(UTF16ToUTF8(shortcut_info_.title));
+  std::string description(base::UTF16ToUTF8(shortcut_info_.description));
+  std::string title(base::UTF16ToUTF8(shortcut_info_.title));
   gtk_label_set_text(GTK_LABEL(description_label),
                      (description.empty() ? title : description).c_str());
 
   // Label on top of the checkboxes.
   GtkWidget* checkboxes_label = gtk_label_new(
       l10n_util::GetStringUTF8(IDS_CREATE_SHORTCUTS_LABEL).c_str());
   gtk_misc_set_alignment(GTK_MISC(checkboxes_label), 0, 0);
   gtk_box_pack_start(GTK_BOX(vbox), checkboxes_label, FALSE, FALSE, 0);
 
   // Desktop checkbox.
@@ skipping 184 matching lines @@
   if (web_app::CreateShortcutsOnFileThread(
           shortcut_info, creation_locations,
           web_app::SHORTCUT_CREATION_BY_USER)) {
     Release();
   } else {
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
         base::Bind(&CreateChromeApplicationShortcutsDialogGtk::ShowErrorDialog,
                    this));
   }
 }