diff -r ef76fc2ac88c -r e4420d2515f1 org.chromium.debug.ui/src/org/chromium/debug/ui/ChromiumJavascriptDecorator.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.chromium.debug.ui/src/org/chromium/debug/ui/ChromiumJavascriptDecorator.java	Wed Dec 23 17:13:18 2009 -0800
@@ -0,0 +1,53 @@
+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.debug.ui;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.jface.viewers.ILabelDecorator;
+import org.eclipse.jface.viewers.ILabelProviderListener;
+import org.eclipse.swt.graphics.Image;
+
+/**
+ * A decorator that removes the ".chromium" file extension
+ * in the Project Explorer for the Debug Javascript project files.
+ */
+public class ChromiumJavascriptDecorator implements ILabelDecorator {
+
+  public Image decorateImage(Image image, Object element) {
+    return image;
+  }
+
+  public String decorateText(String text, Object element) {
+    // (element instanceof IFile) is guaranteed by the enablement in plugin.xml
+    return getDecoratedText(text, element);
+  }
+
+  /**
+   * @param text the original label of the element
+   * @param element must be an IFile instance
+   * @return a decorated element label, or the original one if the label
+   *         need not be decorated or there was a CoreException reading
+   *         the element's project natures
+   */
+  public static String getDecoratedText(String text, Object element) {
+    if (PluginUtil.isChromiumDebugFile((IFile) element)) {
+      return PluginUtil.stripChromiumExtension(text);
+    }
+    return text;
+  }
+
+  public void addListener(ILabelProviderListener listener) {
+  }
+
+  public void dispose() {
+  }
+
+  public boolean isLabelProperty(Object element, String property) {
+    return false;
+  }
+
+  public void removeListener(ILabelProviderListener listener) {
+  }
+}