Translate Java's @Override into Dart's @override.

editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/index/Location.java

Index: editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/index/Location.java
diff --git a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/index/Location.java b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/index/Location.java
index 57e19af994a7ca7e77052db3483716a66944bb67..acd42ddf327a91c343848365098dde11c8b83f93 100644
--- a/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/index/Location.java
+++ b/editor/tools/plugins/com.google.dart.engine/src/com/google/dart/engine/index/Location.java
@@ -66,11 +66,6 @@ public class Location {
     this.length = length;
   }
 
-  @Override
-  public Location clone() {
-    return new Location(element, offset, length);
-  }
-
   /**
    * @return the {@link Element} containing this location.
    */
@@ -96,6 +91,13 @@ public class Location {
     return offset;
   }
 
+  /**
+   * Returns a clone of this {@link Location}.
+   */
+  public Location newClone() {
+    return new Location(element, offset, length);
+  }
+
   @Override
   public String toString() {
     return "[" + offset + " - " + (offset + length) + ") in " + element;