Update uses of UTF conversions in chrome_frame/, chromeos/, components/ to use the base:: namespace.

chrome_frame/navigation_constraints.cc

 // Copyright (c) 2010 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_frame/navigation_constraints.h"
 
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/common/url_constants.h"
 #include "chrome_frame/utils.h"
@@ skipping 48 matching lines @@
   if (!security_manager_) {
     HRESULT hr = security_manager_.CreateInstance(
         CLSID_InternetSecurityManager);
     if (FAILED(hr)) {
       NOTREACHED() << __FUNCTION__
                    << " Failed to create SecurityManager. Error: 0x%x"
                    << hr;
       return true;
     }
     DWORD zone = URLZONE_INVALID;
-    std::wstring unicode_url = UTF8ToWide(url.spec());
+    std::wstring unicode_url = base::UTF8ToWide(url.spec());
     security_manager_->MapUrlToZone(unicode_url.c_str(), &zone, 0);
     if (zone == URLZONE_UNTRUSTED) {
       DLOG(WARNING) << __FUNCTION__
                     << " Disallowing navigation to restricted url: " << url;
       return false;
     }
   }
   return true;
 }
 
 bool NavigationConstraintsImpl::is_privileged() const {
   return is_privileged_;
 }
 
 void NavigationConstraintsImpl::set_is_privileged(bool is_privileged) {
   is_privileged_ = is_privileged;
 }