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

sync/internal_api/js_mutation_event_observer.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/js_mutation_event_observer.h"
 
 #include <string>
 
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 26 matching lines @@
 
 namespace {
 
 // Max number of changes we attempt to convert to values (to avoid
 // running out of memory).
 const size_t kChangeLimit = 100;
 
 }  // namespace
 
 void JsMutationEventObserver::OnChangesApplied(
-    syncer::ModelType model_type,
+    ModelType model_type,
     int64 write_transaction_id,
-    const syncer::ImmutableChangeRecordList& changes) {
+    const ImmutableChangeRecordList& changes) {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
-  details.SetString("modelType", syncer::ModelTypeToString(model_type));
+  details.SetString("modelType", ModelTypeToString(model_type));
   details.SetString("writeTransactionId",
                     base::Int64ToString(write_transaction_id));
   base::Value* changes_value = NULL;
   const size_t changes_size = changes.Get().size();
   if (changes_size <= kChangeLimit) {
     ListValue* changes_list = new ListValue();
-    for (syncer::ChangeRecordList::const_iterator it =
+    for (ChangeRecordList::const_iterator it =
              changes.Get().begin(); it != changes.Get().end(); ++it) {
       changes_list->Append(it->ToValue());
     }
     changes_value = changes_list;
   } else {
     changes_value =
         Value::CreateStringValue(
             base::Uint64ToString(static_cast<uint64>(changes_size)) +
             " changes");
   }
   details.Set("changes", changes_value);
   HandleJsEvent(FROM_HERE, "onChangesApplied", JsEventDetails(&details));
 }
 
-void JsMutationEventObserver::OnChangesComplete(
-    syncer::ModelType model_type) {
+void JsMutationEventObserver::OnChangesComplete(ModelType model_type) {
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
-  details.SetString("modelType", syncer::ModelTypeToString(model_type));
+  details.SetString("modelType", ModelTypeToString(model_type));
   HandleJsEvent(FROM_HERE, "onChangesComplete", JsEventDetails(&details));
 }
 
 void JsMutationEventObserver::OnTransactionWrite(
     const syncable::ImmutableWriteTransactionInfo& write_transaction_info,
-    syncer::ModelTypeSet models_with_changes) {
+    ModelTypeSet models_with_changes) {
   DCHECK(CalledOnValidThread());
   if (!event_handler_.IsInitialized()) {
     return;
   }
   DictionaryValue details;
   details.Set("writeTransactionInfo",
               write_transaction_info.Get().ToValue(kChangeLimit));
   details.Set("modelsWithChanges",
-              syncer::ModelTypeSetToValue(models_with_changes));
+              ModelTypeSetToValue(models_with_changes));
   HandleJsEvent(FROM_HERE, "onTransactionWrite", JsEventDetails(&details));
 }
 
 void JsMutationEventObserver::HandleJsEvent(
     const tracked_objects::Location& from_here,
     const std::string& name, const JsEventDetails& details) {
   if (!event_handler_.IsInitialized()) {
     NOTREACHED();
     return;
   }
   event_handler_.Call(from_here,
                       &JsEventHandler::HandleJsEvent, name, details);
 }
 
 }  // namespace syncer