Show override indicator.

editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java

Index: editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java
diff --git a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java
index 2f73f232c1a5e647ebd14b1846693b839a95afab..fc13d3e80c01de2643500e7fab2a6edfd65490e3 100644
--- a/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java
+++ b/editor/tools/plugins/com.google.dart.tools.core/src/com/google/dart/tools/core/utilities/ast/DartElementLocator.java
@@ -71,12 +71,12 @@ public class DartElementLocator extends ASTVisitor<Void> {
   /**
    * The start offset of the range used to identify the element.
    */
-  private final int startOffset;
+  private int startOffset;
 
   /**
    * The end offset of the range used to identify the element.
    */
-  private final int endOffset;
+  private int endOffset;
 
   /**
    * A flag indicating whether elements should be returned for declaration sites as well as for
@@ -109,6 +109,14 @@ public class DartElementLocator extends ASTVisitor<Void> {
   private Element resolvedElement;
 
   /**
+   * XXX

[Brian Wilkerson, 2012/06/26 14:06:20]

Were you planning on writing a comment here?

[scheglov, 2012/06/26 14:35:12]

Done.

+   */
+  public DartElementLocator(CompilationUnit input, Element targetSymbol) {
+    this(input, 0, 0, false);
+    findElementFor(targetSymbol);
+  }
+
+  /**
    * Initialize a newly created locator to locate one or more {@link DartElement Dart elements} by
    * locating the node within the given compilation unit that corresponds to the given offset in the
    * source.