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

chrome/browser/sync/test/integration/two_client_search_engines_sync_test.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 "base/strings/utf_string_conversions.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 #include "chrome/browser/sync/test/integration/search_engines_helper.h"
 #include "chrome/browser/sync/test/integration/sync_datatype_helper.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
 
+using base::ASCIIToUTF16;
+
 class TwoClientSearchEnginesSyncTest : public SyncTest {
  public:
   TwoClientSearchEnginesSyncTest() : SyncTest(TWO_CLIENT) {}
   virtual ~TwoClientSearchEnginesSyncTest() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TwoClientSearchEnginesSyncTest);
 };
 
 // TCM ID - 8898628.
@@ skipping 206 matching lines @@
   ASSERT_TRUE(GetClient(0)->AwaitMutualSyncCycleCompletion(GetClient(1)));
   ASSERT_TRUE(search_engines_helper::AllServicesMatch());
 
   // Change the default on the first client and delete the old default.
   search_engines_helper::ChangeDefaultSearchProvider(0, 1);
   search_engines_helper::DeleteSearchEngineBySeed(0, 0);
   ASSERT_TRUE(GetClient(0)->AwaitMutualSyncCycleCompletion(GetClient(1)));
 
   ASSERT_TRUE(search_engines_helper::AllServicesMatch());
 }