downloads: Don't navigate to /# when a user clicks various links on

chrome/browser/ui/webui/downloads_ui_browsertest.js

Index: chrome/browser/ui/webui/downloads_ui_browsertest.js
diff --git a/chrome/browser/ui/webui/downloads_ui_browsertest.js b/chrome/browser/ui/webui/downloads_ui_browsertest.js
index 1cd786a13bc26139bb8d223454e85ed99c0d0030..f8de341e9583d6f32632c212acf461028e96f1a7 100644
--- a/chrome/browser/ui/webui/downloads_ui_browsertest.js
+++ b/chrome/browser/ui/webui/downloads_ui_browsertest.js
@@ -26,7 +26,7 @@ BaseDownloadsWebUITest.prototype = {
   /**
    * Browse to the downloads page & call our preLoad().
    */
-  browsePreload: 'chrome://downloads',
+  browsePreload: 'chrome://downloads/',
 
   /** @override */
   typedefCppFixture: 'DownloadsUIBrowserTest',
@@ -137,6 +137,14 @@ TEST_F('BaseDownloadsWebUITest', 'DeleteAllowed', function() {
   testDone();
 });
 
+// Test that clicking <a href=#> doesn't actually go to #.
+TEST_F('BaseDownloadsWebUITest', 'PoundLinkClicksDontChangeUrl', function() {
+  assertEquals(this.browsePreload, document.location.href);
+  document.querySelector('.clear-all-link').click();
+  assertEquals(this.browsePreload, document.location.href);
+  testDone();
+});
+
 /**
  * Fixture for Downloads WebUI testing when deletions are prohibited.
  * @extends {BaseDownloadsWebUITest}