Fix checkstyle warnings.

git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@3683 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/user/test/com/google/gwt/user/client/ui/HiddenTest.java b/user/test/com/google/gwt/user/client/ui/HiddenTest.java
index 378fe15..fcead5d 100644
--- a/user/test/com/google/gwt/user/client/ui/HiddenTest.java
+++ b/user/test/com/google/gwt/user/client/ui/HiddenTest.java
@@ -34,7 +34,7 @@
       // Expected
     }
     try {
-      Hidden d = new Hidden((String)null);
+      Hidden d = new Hidden((String) null);
       fail("expected null pointer exception");
     } catch (NullPointerException e) {
       // Expected
diff --git a/user/test/com/google/gwt/user/client/ui/HistoryTest.java b/user/test/com/google/gwt/user/client/ui/HistoryTest.java
index cdafbe8..ed799cc 100644
--- a/user/test/com/google/gwt/user/client/ui/HistoryTest.java
+++ b/user/test/com/google/gwt/user/client/ui/HistoryTest.java
@@ -15,8 +15,6 @@
  */
 package com.google.gwt.user.client.ui;
 
-import java.util.ArrayList;
-
 import com.google.gwt.dom.client.Document;
 import com.google.gwt.dom.client.Element;
 import com.google.gwt.junit.client.GWTTestCase;
@@ -24,6 +22,8 @@
 import com.google.gwt.user.client.HistoryListener;
 import com.google.gwt.user.client.Timer;
 
+import java.util.ArrayList;
+
 /**
  * Tests for the history system.
  *