Issue 3753. Support for @deprecated annotation

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

Index: compiler/java/com/google/dart/compiler/resolver/ElementMap.java
diff --git a/compiler/java/com/google/dart/compiler/resolver/ElementMap.java b/compiler/java/com/google/dart/compiler/resolver/ElementMap.java
index 376a50869f558e67f9d0dfb52aa4ed6537e719ac..873d2f1cd87dc167eef93074d92cea6040530a1d 100644
--- a/compiler/java/com/google/dart/compiler/resolver/ElementMap.java
+++ b/compiler/java/com/google/dart/compiler/resolver/ElementMap.java
@@ -4,6 +4,7 @@
 
 package com.google.dart.compiler.resolver;
 
+import com.google.dart.compiler.ast.DartMetadata;
 import com.google.dart.compiler.ast.DartNode;
 import com.google.dart.compiler.ast.Modifiers;
 import com.google.dart.compiler.common.SourceInfo;
@@ -52,6 +53,11 @@ class ElementMap {
     }
 
     @Override
+    public DartMetadata getMetadata() {
+      throw new AssertionError(INTERNAL_ONLY_ERROR);
+    }
+
+    @Override
     public Modifiers getModifiers() {
       throw new AssertionError(INTERNAL_ONLY_ERROR);
     }