Generate hashcode on the java types.

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

Index: editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/SearchResult.java
diff --git a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/SearchResult.java b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/SearchResult.java
index 4b201b13b94ed1e6793eed4d207e4e437f04930b..69eb4b483af164bcdd9291857ee7ca708cf43a14 100644
--- a/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/SearchResult.java
+++ b/editor/tools/plugins/com.google.dart.server/src/com/google/dart/server/generated/types/SearchResult.java
@@ -26,6 +26,7 @@ import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonPrimitive;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
 import java.util.ArrayList;
 import java.util.Iterator;
 import org.apache.commons.lang3.StringUtils;
@@ -139,6 +140,16 @@ public class SearchResult {
     return path;
   }
 
+  @Override
+  public int hashCode() {
+    HashCodeBuilder builder = new HashCodeBuilder();
+    builder.append(location);
+    builder.append(kind);
+    builder.append(isPotential);
+    builder.append(path);
+    return builder.toHashCode();
+  }
+
   public JsonObject toJson() {
     JsonObject jsonObject = new JsonObject();
     jsonObject.add("location", location.toJson());