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

sync/internal_api/read_node.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/read_node.h"
 
 #include "base/logging.h"
 #include "sync/internal_api/public/base_transaction.h"
 #include "sync/syncable/base_transaction.h"
 #include "sync/syncable/entry.h"
@@ skipping 26 matching lines @@
 
 BaseNode::InitByLookupResult ReadNode::InitByIdLookup(int64 id) {
   DCHECK(!entry_) << "Init called twice";
   DCHECK_NE(id, kInvalidId);
   syncable::BaseTransaction* trans = transaction_->GetWrappedTrans();
   entry_ = new syncable::Entry(trans, syncable::GET_BY_HANDLE, id);
   if (!entry_->good())
     return INIT_FAILED_ENTRY_NOT_GOOD;
   if (entry_->Get(syncable::IS_DEL))
     return INIT_FAILED_ENTRY_IS_DEL;
-  syncer::ModelType model_type = GetModelType();
-  LOG_IF(WARNING, model_type == syncer::UNSPECIFIED ||
-                  model_type == syncer::TOP_LEVEL_FOLDER)
+  ModelType model_type = GetModelType();
+  LOG_IF(WARNING, model_type == UNSPECIFIED || model_type == TOP_LEVEL_FOLDER)
       << "SyncAPI InitByIdLookup referencing unusual object.";
   return DecryptIfNecessary() ? INIT_OK : INIT_FAILED_DECRYPT_IF_NECESSARY;
 }
 
 BaseNode::InitByLookupResult ReadNode::InitByClientTagLookup(
-    syncer::ModelType model_type,
+    ModelType model_type,
     const std::string& tag) {
   DCHECK(!entry_) << "Init called twice";
   if (tag.empty())
     return INIT_FAILED_PRECONDITION;
 
   const std::string hash = GenerateSyncableHash(model_type, tag);
 
   entry_ = new syncable::Entry(transaction_->GetWrappedTrans(),
                                syncable::GET_BY_CLIENT_TAG, hash);
   if (!entry_->good())
@@ skipping 15 matching lines @@
     const std::string& tag) {
   DCHECK(!entry_) << "Init called twice";
   if (tag.empty())
     return INIT_FAILED_PRECONDITION;
   syncable::BaseTransaction* trans = transaction_->GetWrappedTrans();
   entry_ = new syncable::Entry(trans, syncable::GET_BY_SERVER_TAG, tag);
   if (!entry_->good())
     return INIT_FAILED_ENTRY_NOT_GOOD;
   if (entry_->Get(syncable::IS_DEL))
     return INIT_FAILED_ENTRY_IS_DEL;
-  syncer::ModelType model_type = GetModelType();
-  LOG_IF(WARNING, model_type == syncer::UNSPECIFIED ||
-                  model_type == syncer::TOP_LEVEL_FOLDER)
+  ModelType model_type = GetModelType();
+  LOG_IF(WARNING, model_type == UNSPECIFIED || model_type == TOP_LEVEL_FOLDER)
       << "SyncAPI InitByTagLookup referencing unusually typed object.";
   return DecryptIfNecessary() ? INIT_OK : INIT_FAILED_DECRYPT_IF_NECESSARY;
 }
 
 }  // namespace syncer