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

components/sync/device_info/device_info_util_unittest.cc

 // Copyright 2016 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 "components/sync/device_info/device_info_util.h"
 
 #include <string>
 
 #include "components/sync/protocol/sync.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::Time;
 using base::TimeDelta;
 using sync_pb::DeviceInfoSpecifics;
 
-namespace sync_driver {
+namespace syncer {
 
 namespace {
 
 class DeviceInfoUtilTest : public testing::Test {
  protected:
   DeviceInfoUtilTest() {
     // Test cases assume |small_| and |big_| are smaller and bigger,
     // respectively,
     // than both constants.
     EXPECT_LT(small_, DeviceInfoUtil::kActiveThreshold);
@@ skipping 76 matching lines @@
   specifics.set_cache_guid(cache_guid);
   ASSERT_EQ(cache_guid, DeviceInfoUtil::TagToCacheGuid(
                             DeviceInfoUtil::SpecificsToTag(specifics)));
 
   specifics.set_cache_guid(DeviceInfoUtil::kClientTagPrefix);
   ASSERT_EQ(DeviceInfoUtil::kClientTagPrefix,
             DeviceInfoUtil::TagToCacheGuid(
                 DeviceInfoUtil::SpecificsToTag(specifics)));
 }
 
-}  // namespace sync_driver
+}  // namespace syncer