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

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

Index: chrome/browser/resources/settings/people_page/sync_page.js
diff --git a/chrome/browser/resources/settings/people_page/sync_page.js b/chrome/browser/resources/settings/people_page/sync_page.js
index 7ac0f0db0e0672dfd21c4b62c5b09e8765d56071..14f57f5c300910e439bdd183e9f430a0d9a5e7d0 100644
--- a/chrome/browser/resources/settings/people_page/sync_page.js
+++ b/chrome/browser/resources/settings/people_page/sync_page.js
@@ -420,6 +420,15 @@ Polymer({
 
     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();
+  }
 });
 
 })();