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

sync/internal_api/js_mutation_event_observer_unittest.cc

Index: sync/internal_api/js_mutation_event_observer_unittest.cc
diff --git a/sync/internal_api/js_mutation_event_observer_unittest.cc b/sync/internal_api/js_mutation_event_observer_unittest.cc
index a7eb8243e6c8f50b28e739fcc47554ac4352afc9..91e10b3a30edc8056ac6b590096673a1ff4d48c8 100644
--- a/sync/internal_api/js_mutation_event_observer_unittest.cc
+++ b/sync/internal_api/js_mutation_event_observer_unittest.cc
@@ -46,21 +46,18 @@ TEST_F(JsMutationEventObserverTest, OnChangesApplied) {
   // We don't test with passwords as that requires additional setup.
 
   // Build a list of example ChangeRecords.
-  syncer::ChangeRecord changes[syncer::MODEL_TYPE_COUNT];
-  for (int i = syncer::AUTOFILL_PROFILE; i < syncer::MODEL_TYPE_COUNT; ++i) {
+  ChangeRecord changes[MODEL_TYPE_COUNT];
+  for (int i = AUTOFILL_PROFILE; i < MODEL_TYPE_COUNT; ++i) {
     changes[i].id = i;
     switch (i % 3) {
       case 0:
-        changes[i].action =
-            syncer::ChangeRecord::ACTION_ADD;
+        changes[i].action = ChangeRecord::ACTION_ADD;
         break;
       case 1:
-        changes[i].action =
-            syncer::ChangeRecord::ACTION_UPDATE;
+        changes[i].action = ChangeRecord::ACTION_UPDATE;
         break;
       default:
-        changes[i].action =
-            syncer::ChangeRecord::ACTION_DELETE;
+        changes[i].action = ChangeRecord::ACTION_DELETE;
         break;
     }
   }
@@ -70,15 +67,15 @@ TEST_F(JsMutationEventObserverTest, OnChangesApplied) {
   // starting from changes[i].
 
   // Set expectations for each data type.
-  for (int i = syncer::AUTOFILL_PROFILE; i < syncer::MODEL_TYPE_COUNT; ++i) {
+  for (int i = AUTOFILL_PROFILE; i < MODEL_TYPE_COUNT; ++i) {
     const std::string& model_type_str =
-        syncer::ModelTypeToString(syncer::ModelTypeFromInt(i));
+        ModelTypeToString(ModelTypeFromInt(i));
     DictionaryValue expected_details;
     expected_details.SetString("modelType", model_type_str);
     expected_details.SetString("writeTransactionId", "0");
     ListValue* expected_changes = new ListValue();
     expected_details.Set("changes", expected_changes);
-    for (int j = i; j < syncer::MODEL_TYPE_COUNT; ++j) {
+    for (int j = i; j < MODEL_TYPE_COUNT; ++j) {
       expected_changes->Append(changes[j].ToValue());
     }
     EXPECT_CALL(mock_js_event_handler_,
@@ -87,12 +84,11 @@ TEST_F(JsMutationEventObserverTest, OnChangesApplied) {
   }
 
   // Fire OnChangesApplied() for each data type.
-  for (int i = syncer::AUTOFILL_PROFILE; i < syncer::MODEL_TYPE_COUNT; ++i) {
-    syncer::ChangeRecordList
-        local_changes(changes + i, changes + arraysize(changes));
+  for (int i = AUTOFILL_PROFILE; i < MODEL_TYPE_COUNT; ++i) {
+    ChangeRecordList local_changes(changes + i, changes + arraysize(changes));
     js_mutation_event_observer_.OnChangesApplied(
-        syncer::ModelTypeFromInt(i),
-        0, syncer::ImmutableChangeRecordList(&local_changes));
+        ModelTypeFromInt(i),
+        0, ImmutableChangeRecordList(&local_changes));
   }
 
   PumpLoop();
@@ -101,21 +97,19 @@ TEST_F(JsMutationEventObserverTest, OnChangesApplied) {
 TEST_F(JsMutationEventObserverTest, OnChangesComplete) {
   InSequence dummy;
 
-  for (int i = syncer::FIRST_REAL_MODEL_TYPE;
-       i < syncer::MODEL_TYPE_COUNT; ++i) {
+  for (int i = FIRST_REAL_MODEL_TYPE; i < MODEL_TYPE_COUNT; ++i) {
     DictionaryValue expected_details;
     expected_details.SetString(
         "modelType",
-        syncer::ModelTypeToString(syncer::ModelTypeFromInt(i)));
+        ModelTypeToString(ModelTypeFromInt(i)));
     EXPECT_CALL(mock_js_event_handler_,
                 HandleJsEvent("onChangesComplete",
                              HasDetailsAsDictionary(expected_details)));
   }
 
-  for (int i = syncer::FIRST_REAL_MODEL_TYPE;
-       i < syncer::MODEL_TYPE_COUNT; ++i) {
+  for (int i = FIRST_REAL_MODEL_TYPE; i < MODEL_TYPE_COUNT; ++i) {
     js_mutation_event_observer_.OnChangesComplete(
-        syncer::ModelTypeFromInt(i));
+        ModelTypeFromInt(i));
   }
   PumpLoop();
 }