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

sync/engine/verify_updates_command_unittest.cc

Index: sync/engine/verify_updates_command_unittest.cc
diff --git a/sync/engine/verify_updates_command_unittest.cc b/sync/engine/verify_updates_command_unittest.cc
index 3375af81bf1bc458e61f15f6fe9c177af5c91f3e..c0ea3635e739064bb943f834a11899413117059e 100644
--- a/sync/engine/verify_updates_command_unittest.cc
+++ b/sync/engine/verify_updates_command_unittest.cc
@@ -29,15 +29,15 @@ class VerifyUpdatesCommandTest : public SyncerCommandTest {
     mutable_routing_info()->clear();
     workers()->push_back(make_scoped_refptr(new FakeModelWorker(GROUP_DB)));
     workers()->push_back(make_scoped_refptr(new FakeModelWorker(GROUP_UI)));
-    (*mutable_routing_info())[syncer::PREFERENCES] = GROUP_UI;
-    (*mutable_routing_info())[syncer::BOOKMARKS] = GROUP_UI;
-    (*mutable_routing_info())[syncer::AUTOFILL] = GROUP_DB;
+    (*mutable_routing_info())[PREFERENCES] = GROUP_UI;
+    (*mutable_routing_info())[BOOKMARKS] = GROUP_UI;
+    (*mutable_routing_info())[AUTOFILL] = GROUP_DB;
     SyncerCommandTest::SetUp();
   }
 
   void CreateLocalItem(const std::string& item_id,
                        const std::string& parent_id,
-                       const syncer::ModelType& type) {
+                       const ModelType& type) {
     WriteTransaction trans(FROM_HERE, UNITTEST, directory());
     MutableEntry entry(&trans, syncable::CREATE_NEW_UPDATE_ITEM,
         Id::CreateFromServerId(item_id));
@@ -54,7 +54,7 @@ class VerifyUpdatesCommandTest : public SyncerCommandTest {
 
   void AddUpdate(sync_pb::GetUpdatesResponse* updates,
       const std::string& id, const std::string& parent,
-      const syncer::ModelType& type) {
+      const ModelType& type) {
     sync_pb::SyncEntity* e = updates->add_entries();
     e->set_id_string("b1");
     e->set_parent_id_string(parent);
@@ -70,20 +70,20 @@ class VerifyUpdatesCommandTest : public SyncerCommandTest {
 TEST_F(VerifyUpdatesCommandTest, AllVerified) {
   string root = syncable::GetNullId().GetServerId();
 
-  CreateLocalItem("b1", root, syncer::BOOKMARKS);
-  CreateLocalItem("b2", root, syncer::BOOKMARKS);
-  CreateLocalItem("p1", root, syncer::PREFERENCES);
-  CreateLocalItem("a1", root, syncer::AUTOFILL);
+  CreateLocalItem("b1", root, BOOKMARKS);
+  CreateLocalItem("b2", root, BOOKMARKS);
+  CreateLocalItem("p1", root, PREFERENCES);
+  CreateLocalItem("a1", root, AUTOFILL);
 
   ExpectNoGroupsToChange(command_);
 
   sync_pb::GetUpdatesResponse* updates =
       session()->mutable_status_controller()->
       mutable_updates_response()->mutable_get_updates();
-  AddUpdate(updates, "b1", root, syncer::BOOKMARKS);
-  AddUpdate(updates, "b2", root, syncer::BOOKMARKS);
-  AddUpdate(updates, "p1", root, syncer::PREFERENCES);
-  AddUpdate(updates, "a1", root, syncer::AUTOFILL);
+  AddUpdate(updates, "b1", root, BOOKMARKS);
+  AddUpdate(updates, "b2", root, BOOKMARKS);
+  AddUpdate(updates, "p1", root, PREFERENCES);
+  AddUpdate(updates, "a1", root, AUTOFILL);
 
   ExpectGroupsToChange(command_, GROUP_UI, GROUP_DB);