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

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

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of $LIBRARYNAME;
 
 @DocsEditable()
 $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
   @DomName('IDBDatabase.createObjectStore')
   @DocsEditable()
   ObjectStore createObjectStore(String name,
       {String keyPath, bool autoIncrement}) {
     var options = {};
     if (keyPath != null) {
       options['keyPath'] = keyPath;
     }
     if (autoIncrement != null) {
       options['autoIncrement'] = autoIncrement;
     }
 
     return _createObjectStore(name, options);
   }
 
-$if DART2JS
   Transaction transaction(storeName_OR_storeNames, String mode) {
     if (mode != 'readonly' && mode != 'readwrite') {
       throw new ArgumentError(mode);
     }
 
     // TODO(sra): Ensure storeName_OR_storeNames is a string or List<String>,
     // and copy to JavaScript array if necessary.
 
     // Try and create a transaction with a string mode.  Browsers that expect a
     // numeric mode tend to convert the string into a number.  This fails
@@ skipping 21 matching lines @@
 
   Transaction transactionStores(DomStringList storeNames, String mode) {
     if (mode != 'readonly' && mode != 'readwrite') {
       throw new ArgumentError(mode);
     }
     return _transaction(storeNames, mode);
   }
 
   @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}