Generate public static EMPTY_ARRAY fields for each object.

editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HighlightRegion.java

Index: editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HighlightRegion.java
diff --git a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HighlightRegion.java b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HighlightRegion.java
index 882b4212683bd0aae2a4e2969e327b392415f0f6..cc0bc798a3938d9bb5e32f8fddf8c764bf874acd 100644
--- a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HighlightRegion.java
+++ b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/HighlightRegion.java
@@ -31,9 +31,14 @@ import org.apache.commons.lang3.StringUtils;
 public class HighlightRegion {
 
   /**
-   * The length of the region to be highlighted.
+   * An empty array of {@link HighlightRegion}s.
    */
-  private final int length;
+  public static final HighlightRegion[] EMPTY_ARRAY = new HighlightRegion[0];
+
+  /**
+   * The type of highlight associated with the region.
+   */
+  private final String type;
 
   /**
    * The offset of the region to be highlighted.
@@ -41,9 +46,9 @@ public class HighlightRegion {
   private final int offset;
 
   /**
-   * The type of highlight associated with the region.
+   * The length of the region to be highlighted.
    */
-  private final String type;
+  private final int length;
 
   /**
    * Constructor for {@link HighlightRegion}.