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

sync/api/sync_error_unittest.cc

Index: sync/api/sync_error_unittest.cc
diff --git a/sync/api/sync_error_unittest.cc b/sync/api/sync_error_unittest.cc
index d14409fa5bf00c85d60edf2fbf2fc5d3c29835af..71a24f1396babfef77462c060251aa1d18a26dca 100644
--- a/sync/api/sync_error_unittest.cc
+++ b/sync/api/sync_error_unittest.cc
@@ -11,11 +11,10 @@
 
 namespace syncer {
 
-using std::string;
-using syncer::ModelType;
-
 namespace {
 
+using std::string;
+
 typedef testing::Test SyncErrorTest;
 
 TEST_F(SyncErrorTest, Unset) {
@@ -26,7 +25,7 @@ TEST_F(SyncErrorTest, Unset) {
 TEST_F(SyncErrorTest, Default) {
   tracked_objects::Location location = FROM_HERE;
   std::string msg = "test";
-  ModelType type = syncer::PREFERENCES;
+  ModelType type = PREFERENCES;
   SyncError error(location, msg, type);
   ASSERT_TRUE(error.IsSet());
   EXPECT_EQ(location.line_number(), error.location().line_number());
@@ -37,7 +36,7 @@ TEST_F(SyncErrorTest, Default) {
 TEST_F(SyncErrorTest, Reset) {
   tracked_objects::Location location = FROM_HERE;
   std::string msg = "test";
-  ModelType type = syncer::PREFERENCES;
+  ModelType type = PREFERENCES;
 
   SyncError error;
   EXPECT_FALSE(error.IsSet());
@@ -50,7 +49,7 @@ TEST_F(SyncErrorTest, Reset) {
 
   tracked_objects::Location location2 = FROM_HERE;
   std::string msg2 = "test";
-  ModelType type2 = syncer::PREFERENCES;
+  ModelType type2 = PREFERENCES;
   error.Reset(location2, msg2, type2);
   ASSERT_TRUE(error.IsSet());
   EXPECT_EQ(location2.line_number(), error.location().line_number());
@@ -61,7 +60,7 @@ TEST_F(SyncErrorTest, Reset) {
 TEST_F(SyncErrorTest, Copy) {
   tracked_objects::Location location = FROM_HERE;
   std::string msg = "test";
-  ModelType type = syncer::PREFERENCES;
+  ModelType type = PREFERENCES;
 
   SyncError error1;
   EXPECT_FALSE(error1.IsSet());
@@ -89,7 +88,7 @@ TEST_F(SyncErrorTest, Copy) {
 TEST_F(SyncErrorTest, Assign) {
   tracked_objects::Location location = FROM_HERE;
   std::string msg = "test";
-  ModelType type = syncer::PREFERENCES;
+  ModelType type = PREFERENCES;
 
   SyncError error1;
   EXPECT_FALSE(error1.IsSet());
@@ -116,7 +115,7 @@ TEST_F(SyncErrorTest, Assign) {
 TEST_F(SyncErrorTest, ToString) {
   tracked_objects::Location location = FROM_HERE;
   std::string msg = "test";
-  ModelType type = syncer::PREFERENCES;
+  ModelType type = PREFERENCES;
   std::string expected = "Preferences, Sync Error: test";
   SyncError error(location, msg, type);
   EXPECT_TRUE(error.IsSet());