MD Settings: In /syncSetup clicking links in checkbox label should not check/uncheck.

chrome/browser/resources/settings/people_page/sync_page.js

 // Copyright 2015 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.
 
 (function() {
 
 /**
  * Names of the radio buttons which allow the user to choose their encryption
  * mechanism.
  * @enum {string}
@@ skipping 402 matching lines @@
   validateCreatedPassphrases_: function() {
     var emptyPassphrase = !this.passphrase_;
     var mismatchedPassphrase = this.passphrase_ != this.confirmation_;
 
     this.$$('#passphraseInput').invalid = emptyPassphrase;
     this.$$('#passphraseConfirmationInput').invalid =
         !emptyPassphrase && mismatchedPassphrase;
 
     return !emptyPassphrase && !mismatchedPassphrase;
   },
+
+  /**
+   * @param {!Event} event

[dpapad, 2016/11/21 18:53:29]

@private

[scottchen, 2016/11/21 19:09:02]

Done.

+   */
+  onLearnMoreTap_: function(event) {
+    // Stop the propagation of events, so that clicking on links inside
+    // checkbox labels won't change the checkbox value.
+    event.stopPropagation();
+  }
 });
 
 })();