[Sync] Move //components/sync to the syncer namespace, take 2.

chrome/browser/extensions/api/signed_in_devices/id_mapping_helper_unittest.cc

 // Copyright (c) 2013 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/extensions/api/signed_in_devices/id_mapping_helper.h"
 
 #include <memory>
 #include <string>
 
 #include "base/guid.h"
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "components/sync/device_info/device_info.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using sync_driver::DeviceInfo;
+using syncer::DeviceInfo;
 
 namespace extensions {
 bool VerifyDictionary(
     const std::string& path,
     const std::string& expected_value,
     const base::DictionaryValue& dictionary) {
   std::string out;
   if (dictionary.GetString(path, &out)) {
     return (out == expected_value);
   }
@@ skipping 42 matching lines @@
   EXPECT_NE(public_id3, public_id2);
 
   // Verify the dictionary.
   EXPECT_TRUE(VerifyDictionary(public_id1, devices[0]->guid(), dictionary));
   EXPECT_TRUE(VerifyDictionary(public_id2, devices[1]->guid(), dictionary));
   EXPECT_TRUE(VerifyDictionary(public_id3, devices[2]->guid(), dictionary));
 
   EXPECT_EQ(dictionary.size(), 3U);
 }
 }  // namespace extensions