Report HintCode.UNUSED_ELEMENT for non-synthetic property accessors.

pkg/analyzer/lib/src/generated/resolver.dart

 // Copyright (c) 2014, 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.
 
 library engine.resolver;
 
 import 'dart:collection';
 import "dart:math" as math;
 
 import 'java_core.dart';
@@ skipping 15714 matching lines @@
   visitMethodElement(MethodElement element) {
     if (!_isUsedMember(element)) {
       _reportErrorForElement(
           HintCode.UNUSED_ELEMENT,
           element,
           [element.kind.displayName, element.displayName]);
     }
     super.visitMethodElement(element);
   }
 
+  @override
+  visitPropertyAccessorElement(PropertyAccessorElement element) {
+    if (!element.isSynthetic && !_isUsedMember(element)) {
+      _reportErrorForElement(
+          HintCode.UNUSED_ELEMENT,
+          element,
+          [element.kind.displayName, element.displayName]);
+    }
+    super.visitPropertyAccessorElement(element);
+  }
+
   bool _isUsedElement(Element element) {
     if (element is! LocalVariableElement) {
       if (element.isPublic) {
         return true;
       }
     }
     return _usedElements.elements.contains(element);
   }
 
   bool _isUsedMember(Element element) {
@@ skipping 11 matching lines @@
       _errorListener.onError(
           new AnalysisError.con2(
               element.source,
               element.nameOffset,
               element.displayName.length,
               errorCode,
               arguments));
     }
   }
 }