UX-330: do not add duplicated API to JBUI.CurrentTheme for awhile

Change-Id: I17af659d67b3d89b193f24c0f4347356119d688e
diff --git a/src/com/google/devrel/cluestick/studioclient/CodeBrowser.java b/src/com/google/devrel/cluestick/studioclient/CodeBrowser.java
index 703efc2..27de8db 100644
--- a/src/com/google/devrel/cluestick/studioclient/CodeBrowser.java
+++ b/src/com/google/devrel/cluestick/studioclient/CodeBrowser.java
@@ -65,7 +65,7 @@
  * CodeBrowser implements Browser to show Cluestick search results containing code.
  */
 class CodeBrowser extends JPanel implements Browser, Disposable {
-  private static final Color HIGHLIGHT_BACKGROUND = UIUtil.getTreeUnfocusedSelectionBackground();
+  private static final Color HIGHLIGHT_BACKGROUND = UIUtil.getTreeSelectionBackground(false);
   private static final TextAttributes HIGHLIGHT_ATTRIBUTES =
       new TextAttributes(null, HIGHLIGHT_BACKGROUND, null, EffectType.SEARCH_MATCH, Font.BOLD);
   private static final Pattern WHITESPACE_PREFIX = Pattern.compile("^\\s*");