Issue 3753. Support for @deprecated annotation

compiler/java/com/google/dart/compiler/resolver/ResolveVisitor.java

 // 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.
 
 package com.google.dart.compiler.resolver;
 
 import com.google.dart.compiler.ErrorCode;
 import com.google.dart.compiler.ast.ASTVisitor;
 import com.google.dart.compiler.ast.DartCatchBlock;
 import com.google.dart.compiler.ast.DartFunction;
@@ skipping 119 matching lines @@
                          ErrorCode errorCode, ErrorCode wrongNumberErrorCode) {
     if (node == null) {
       return getTypeProvider().getDynamicType();
     }
     assert node.getType() == null || node.getType() instanceof DynamicType;
     Type type = getContext().resolveType(node, isStatic, isFactory, errorCode, wrongNumberErrorCode);
     if (type == null) {
       type = getTypeProvider().getDynamicType();
     }
     node.setType(type);
-    recordElement(node.getIdentifier(), type.getElement());
+    Element element = type.getElement();
+    recordElement(node.getIdentifier(), element);
+    if (element != null && element.getMetadata().isDeprecated()) {
+      getContext().onError(node.getIdentifier(), TypeErrorCode.DEPRECATED_ELEMENT, element.getName());
+    }
     return type;
   }
 
   protected <E extends Element> E recordElement(DartNode node, E element) {
     node.getClass();
     if (element == null) {
       // TypeAnalyzer will diagnose unresolved identifiers.
       return null;
     }
     node.setElement(element);
     return element;
   }
 
   CoreTypeProvider getTypeProvider() {
     return typeProvider;
   }
 }