dart2js: rename Elements.isErroneousElement to Elements.isErroneous.

pkg/compiler/lib/src/dart_backend/placeholder_collector.dart

 // Copyright (c) 2012, 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 dart_backend;
 
 class LocalPlaceholder {
   final String identifier;
   final Set<Node> nodes;
   LocalPlaceholder(this.identifier) : nodes = new Set<Node>();
@@ skipping 451 matching lines @@
 
   visitNode(Node node) { node.visitChildren(this); }  // We must go deeper.
 
   visitNewExpression(NewExpression node) {
     Send send = node.send;
     DartType type = treeElements.getType(node);
     assert(type != null);
     Element constructor = treeElements[send];
     assert(constructor != null);
     assert(send.receiver == null);
-    if (!Elements.isErroneousElement(constructor)) {
+    if (!Elements.isErroneous(constructor)) {
       tryMakeConstructorPlaceholder(node.send.selector, constructor);
       // TODO(smok): Should this be in visitNamedArgument?
       // Field names can be exposed as names of optional arguments, e.g.
       // class C {
       //   final field;
       //   C([this.field]);
       // }
       // Do not forget to rename them as well.
       FunctionElement constructorFunction = constructor;
       Link<Element> optionalParameters =
@@ skipping 20 matching lines @@
 
   visitSend(Send send) {
     Element element = treeElements[send];
     tryMakePrivateIdentifier(send.selector, element);
     new SendVisitor(this, treeElements).visitSend(send);
     send.visitChildren(this);
   }
 
   visitSendSet(SendSet send) {
     Element element = treeElements[send];
-    if (Elements.isErroneousElement(element)) {
+    if (Elements.isErroneous(element)) {
       // Complicated case: constructs like receiver.selector++ can resolve
       // to ErroneousElement.  Fortunately, receiver.selector still
       // can be resoved via treeElements[send.selector], that's all
       // that is needed to rename the construct properly.
       element = treeElements[send.selector];
     }
     tryMakePrivateIdentifier(send.selector, element);
     if (element == null) {
       if (send.receiver != null) tryMakeMemberPlaceholder(send.selector);
     } else if (!element.isErroneous) {
@@ skipping 170 matching lines @@
 
   visitBlock(Block node) {
     for (Node statement in node.statements.nodes) {
       if (statement is VariableDefinitions) {
         makeVarDeclarationTypePlaceholder(statement);
       }
     }
     node.visitChildren(this);
   }
 }