Removed DARTIUM codegen for IDLS (sdk/lib/dartium)

tools/dom/templates/html/impl/impl_IDBDatabase.darttemplate

Index: tools/dom/templates/html/impl/impl_IDBDatabase.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_IDBDatabase.darttemplate b/tools/dom/templates/html/impl/impl_IDBDatabase.darttemplate
index 3d396ef698399b472137bde13247fb6db1ebcd43..0485ff31c911cf5063807cf59782ad4ddba4229b 100644
--- a/tools/dom/templates/html/impl/impl_IDBDatabase.darttemplate
+++ b/tools/dom/templates/html/impl/impl_IDBDatabase.darttemplate
@@ -21,7 +21,6 @@ $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS
     return _createObjectStore(name, options);
   }
 
-$if DART2JS
   Transaction transaction(storeName_OR_storeNames, String mode) {
     if (mode != 'readonly' && mode != 'readwrite') {
       throw new ArgumentError(mode);
@@ -63,28 +62,5 @@ $if DART2JS
 
   @JSName('transaction')
   Transaction _transaction(stores, mode) native;
-$else
-  Transaction transaction(storeName_OR_storeNames, String mode) {
-    if (mode != 'readonly' && mode != 'readwrite') {
-      throw new ArgumentError("Invalid transaction mode $mode");
-    }
-    var names;
-    if (storeName_OR_storeNames == null) {
-      throw new ArgumentError("stores may not be null in transaction");
-    } else if (storeName_OR_storeNames is String || storeName_OR_storeNames is DomStringList) {
-      names = storeName_OR_storeNames;
-    } else if (storeName_OR_storeNames is List<String>) {
-      names = convertDartToNative_List(storeName_OR_storeNames);
-    } else {
-      throw new ArgumentError("Invalid store(s) $store_Name_OR_storeNames");
-    }
-
-    return _blink.BlinkIDBDatabase.instance.transaction_Callback_2_(this, names, mode);
-  }
-
-  Transaction transactionList(List<String> storeNames, String mode) => transaction(storeNames, mode);
-  Transaction transactionStores(List<String> storeNames, String mode) => transaction(storeNames, mode);
-  Transaction transactionStore(String storeName, String mode) => transaction(storeName, mode);
-$endif
 
 $!MEMBERS}