[Sync] Remove unneeded 'using syncer::' lines and 'syncer::' scopings

sync/internal_api/change_record.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 "sync/internal_api/public/change_record.h"
 
 #include "base/string_number_conversions.h"
 #include "base/values.h"
 #include "sync/internal_api/public/base_node.h"
 #include "sync/internal_api/public/read_node.h"
@@ skipping 23 matching lines @@
       NOTREACHED();
       action_str = "Unknown";
       break;
   }
   value->SetString("action", action_str);
   value->SetString("id", base::Int64ToString(id));
   if (action == ACTION_DELETE) {
     if (extra.get()) {
       value->Set("extra", extra->ToValue());
     }
-    value->Set("specifics",
-               syncer::EntitySpecificsToValue(specifics));
+    value->Set("specifics", EntitySpecificsToValue(specifics));
   }
   return value;
 }
 
 ExtraPasswordChangeRecordData::ExtraPasswordChangeRecordData() {}
 
 ExtraPasswordChangeRecordData::ExtraPasswordChangeRecordData(
     const sync_pb::PasswordSpecificsData& data)
     : unencrypted_(data) {
 }
 
 ExtraPasswordChangeRecordData::~ExtraPasswordChangeRecordData() {}
 
 DictionaryValue* ExtraPasswordChangeRecordData::ToValue() const {
-  return syncer::PasswordSpecificsDataToValue(unencrypted_);
+  return PasswordSpecificsDataToValue(unencrypted_);
 }
 
 const sync_pb::PasswordSpecificsData&
     ExtraPasswordChangeRecordData::unencrypted() const {
   return unencrypted_;
 }
 
 }  // namespace syncer