Safe Browsing malware interstitial redesign field trial.

chrome/browser/resources/safe_browsing/malware_block_v2.js

+// Copyright (c) 2012 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.
+
+/**
+ * Sends a command message to SafeBrowsingBlockingPage::CommandReceived.
+ * @param {string} cmd The command to send.
+ */
+function sendCommand(cmd) {
+  window.domAutomationController.setAutomationId(1);
+  window.domAutomationController.send(cmd);
+}
+
+/**
+ * Records state of the reporting checkbox.
+ */
+function savePreference() {
+  var checkBox = $('check-report');
+  if (checkBox.checked)
+    sendCommand('doReport');
+  else
+    sendCommand('dontReport');
+}
+
+/**
+ * Expands or collapses the "see more" section of the page.
+ */
+function seeMore() {
+  if ($('see-less-text').hidden) {
+    $('see-more-text').hidden = true;
+    $('see-less-text').hidden = false;
+    $('see-more-contents').hidden = false;
+    sendCommand('expandedSeeMore');
+  } else {
+    $('see-more-text').hidden = false;
+    $('see-less-text').hidden = true;
+    $('see-more-contents').hidden = true;
+  }
+}
+
+/**
+ * Onload listener to initialize javascript handlers.
+ */
+document.addEventListener('DOMContentLoaded', function() {
+  $('proceed-span').hidden = templateData.proceedDisabled;
+
+  $('back').onclick = function() {
+    sendCommand('takeMeBack');
+  };
+  $('proceed').onclick = function(e) {
+    sendCommand('proceed');
+  };
+  $('learn-more-link').onclick = function(e) {
+    sendCommand('learnMore2');
+  };
+  $('show-diagnostic-link').onclick = function(e) {
+    sendCommand('showDiagnostic');
+  };
+  $('see-more-link').onclick = function(e) {
+    seeMore();
+    // preventDefaultOnPoundLinkClicks doesn't work for this link since it
+    // contains <span>s, which confuse preventDefaultOnPoundLinkClicks.

[arv (Not doing code reviews), 2012/08/23 14:20:25]

preventDefaultOnPoundLinkClicks can be fixed to handle this

+    e.preventDefault();
+  };
+  $('check-report').onclick = savePreference;
+
+  // All the links are handled by javascript sending commands back to the C++
+  // handler, we don't want the default actions.
+  preventDefaultOnPoundLinkClicks();  // From shared/js/util.js.
+});