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

sync/internal_api/public/engine/model_safe_worker_unittest.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/engine/model_safe_worker.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace syncer {
 namespace {
 
 class ModelSafeWorkerTest : public ::testing::Test {
 };
 
 TEST_F(ModelSafeWorkerTest, ModelSafeRoutingInfoToValue) {
   ModelSafeRoutingInfo routing_info;
-  routing_info[syncer::BOOKMARKS] = GROUP_PASSIVE;
-  routing_info[syncer::NIGORI] = GROUP_UI;
-  routing_info[syncer::PREFERENCES] = GROUP_DB;
+  routing_info[BOOKMARKS] = GROUP_PASSIVE;
+  routing_info[NIGORI] = GROUP_UI;
+  routing_info[PREFERENCES] = GROUP_DB;
   DictionaryValue expected_value;
   expected_value.SetString("Bookmarks", "GROUP_PASSIVE");
   expected_value.SetString("Encryption keys", "GROUP_UI");
   expected_value.SetString("Preferences", "GROUP_DB");
   scoped_ptr<DictionaryValue> value(
       ModelSafeRoutingInfoToValue(routing_info));
   EXPECT_TRUE(value->Equals(&expected_value));
 }
 
 TEST_F(ModelSafeWorkerTest, ModelSafeRoutingInfoToString) {
   ModelSafeRoutingInfo routing_info;
-  routing_info[syncer::BOOKMARKS] = GROUP_PASSIVE;
-  routing_info[syncer::NIGORI] = GROUP_UI;
-  routing_info[syncer::PREFERENCES] = GROUP_DB;
+  routing_info[BOOKMARKS] = GROUP_PASSIVE;
+  routing_info[NIGORI] = GROUP_UI;
+  routing_info[PREFERENCES] = GROUP_DB;
   EXPECT_EQ(
       "{\"Bookmarks\":\"GROUP_PASSIVE\",\"Encryption keys\":\"GROUP_UI\","
       "\"Preferences\":\"GROUP_DB\"}",
       ModelSafeRoutingInfoToString(routing_info));
 }
 
 TEST_F(ModelSafeWorkerTest, GetRoutingInfoTypes) {
   ModelSafeRoutingInfo routing_info;
-  routing_info[syncer::BOOKMARKS] = GROUP_PASSIVE;
-  routing_info[syncer::NIGORI] = GROUP_UI;
-  routing_info[syncer::PREFERENCES] = GROUP_DB;
-  const syncer::ModelTypeSet expected_types(
-      syncer::BOOKMARKS,
-      syncer::NIGORI,
-      syncer::PREFERENCES);
+  routing_info[BOOKMARKS] = GROUP_PASSIVE;
+  routing_info[NIGORI] = GROUP_UI;
+  routing_info[PREFERENCES] = GROUP_DB;
+  const ModelTypeSet expected_types(BOOKMARKS, NIGORI, PREFERENCES);
   EXPECT_TRUE(GetRoutingInfoTypes(routing_info).Equals(expected_types));
 }
 
 TEST_F(ModelSafeWorkerTest, ModelSafeRoutingInfoToPayloadMap) {
   std::string payload = "test";
   ModelSafeRoutingInfo routing_info;
-  routing_info[syncer::BOOKMARKS] = GROUP_PASSIVE;
-  routing_info[syncer::NIGORI] = GROUP_UI;
-  routing_info[syncer::PREFERENCES] = GROUP_DB;
-  syncer::ModelTypePayloadMap types_with_payloads =
+  routing_info[BOOKMARKS] = GROUP_PASSIVE;
+  routing_info[NIGORI] = GROUP_UI;
+  routing_info[PREFERENCES] = GROUP_DB;
+  ModelTypePayloadMap types_with_payloads =
       ModelSafeRoutingInfoToPayloadMap(routing_info, payload);
   ASSERT_EQ(routing_info.size(), types_with_payloads.size());
   for (ModelSafeRoutingInfo::iterator iter = routing_info.begin();
        iter != routing_info.end();
        ++iter) {
     EXPECT_EQ(payload, types_with_payloads[iter->first]);
   }
 }
 
 }  // namespace
 }  // namespace syncer