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

chrome/browser/autocomplete/contact_provider_chromeos.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/autocomplete/contact_provider_chromeos.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/i18n/break_iterator.h"
@@ skipping 153 matching lines @@
     return;
 
   scoped_ptr<contacts::ContactPointers> contacts =
       contact_manager_->GetAllContacts(profile_);
 
   contacts_.clear();
   contacts_.reserve(contacts->size());
   for (contacts::ContactPointers::const_iterator it = contacts->begin();
        it != contacts->end(); ++it) {
     const contacts::Contact& contact = **it;
-    base::string16 full_name =
-        AutocompleteMatch::SanitizeString(UTF8ToUTF16(contact.full_name()));
-    base::string16 given_name =
-        AutocompleteMatch::SanitizeString(UTF8ToUTF16(contact.given_name()));
-    base::string16 family_name =
-        AutocompleteMatch::SanitizeString(UTF8ToUTF16(contact.family_name()));
+    base::string16 full_name = AutocompleteMatch::SanitizeString(
+        base::UTF8ToUTF16(contact.full_name()));
+    base::string16 given_name = AutocompleteMatch::SanitizeString(
+        base::UTF8ToUTF16(contact.given_name()));
+    base::string16 family_name = AutocompleteMatch::SanitizeString(
+        base::UTF8ToUTF16(contact.family_name()));
     float affinity =
         contact.has_affinity() ? contact.affinity() : kDefaultAffinity;
 
     if (!full_name.empty()) {
       contacts_.push_back(
           ContactData(full_name, given_name, family_name, contact.contact_id(),
                       affinity));
     }
   }
   std::sort(contacts_.begin(), contacts_.end(), CompareAffinity);
@@ skipping 37 matching lines @@
     const AutocompleteInput& input,
     const ContactData& contact) {
   AutocompleteMatch match(this, 0, false, AutocompleteMatchType::CONTACT);
   match.contents = contact.full_name;
   match.fill_into_edit = match.contents;
   match.relevance = kBaseRelevance +
       static_cast<int>(roundf(kAffinityRelevanceBoost * contact.affinity));
   match.RecordAdditionalInfo(kMatchContactIdKey, contact.contact_id);
   return match;
 }