Revert disabled test for crbug/419370

chrome/browser/ui/webui/options/startup_page_list_browsertest.js

Index: chrome/browser/ui/webui/options/startup_page_list_browsertest.js
diff --git a/chrome/browser/ui/webui/options/startup_page_list_browsertest.js b/chrome/browser/ui/webui/options/startup_page_list_browsertest.js
index 1df6e28c69b95a856c9c17a4c56a6cfe4d45bbf0..a6e2066dae7e7de919da54d732dfff52a9461bf9 100644
--- a/chrome/browser/ui/webui/options/startup_page_list_browsertest.js
+++ b/chrome/browser/ui/webui/options/startup_page_list_browsertest.js
@@ -123,7 +123,7 @@ function createMouseEvent(type) {
 }
 
 // Disabled due to: crbug.com/419370

[Dan Beam, 2016/07/23 00:44:06]

nit: remove this or change it to "Disable if flaky again (crbug.com/419370)."

-TEST_F('StartupPageListWebUITest', 'DISABLED_testDropFromOutsideSource',
+TEST_F('StartupPageListWebUITest', 'testDropFromOutsideSource',
        function() {
   /** @const */ var NEW_PAGE = 'http://google.com';
 
@@ -138,7 +138,7 @@ TEST_F('StartupPageListWebUITest', 'DISABLED_testDropFromOutsideSource',
 });
 
 // Disabled due to: crbug.com/419370

[Dan Beam, 2016/07/23 00:44:06]

same

-TEST_F('StartupPageListWebUITest', 'DISABLED_testDropToReorder', function() {
+TEST_F('StartupPageListWebUITest', 'testDropToReorder', function() {
   // TODO(dbeam): mock4js doesn't handle complex arguments well. Fix this.
   this.mockHandler.expects(once()).dragDropStartupPage([0, [1].join()]);