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

chrome/browser/ui/gtk/browser_window_gtk.cc

 // Copyright 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/browser_window_gtk.h"
 
 #include <gdk/gdkkeysyms.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 715 matching lines @@
   return NULL;
 }
 
 StatusBubble* BrowserWindowGtk::GetStatusBubble() {
   return status_bubble_.get();
 }
 
 void BrowserWindowGtk::UpdateTitleBar() {
   TRACE_EVENT0("ui::gtk", "BrowserWindowGtk::UpdateTitleBar");
   base::string16 title = browser_->GetWindowTitleForCurrentTab();
-  gtk_window_set_title(window_, UTF16ToUTF8(title).c_str());
+  gtk_window_set_title(window_, base::UTF16ToUTF8(title).c_str());
   if (ShouldShowWindowIcon())
     titlebar_->UpdateTitleAndIcon();
 }
 
 void BrowserWindowGtk::BookmarkBarStateChanged(
     BookmarkBar::AnimateChangeType change_type) {
   MaybeShowBookmarkBar(change_type == BookmarkBar::ANIMATE_STATE_CHANGE);
 }
 
 void BrowserWindowGtk::UpdateDevTools() {
@@ skipping 1614 matching lines @@
   BrowserWindowGtk* browser_window_gtk = new BrowserWindowGtk(browser);
   browser_window_gtk->Init();
   return browser_window_gtk;
 }
 
 // static
 chrome::HostDesktopType BrowserWindow::AdjustHostDesktopType(
     chrome::HostDesktopType desktop_type) {
   return desktop_type;
 }