Fixed login JS code, according to:
https://doc-1q2em-1kgpa-s-googleusercontent.commondatastorage.googleapis.com/gs/dbp324qnab6lsko9c9qa5ch7arc1i1qo/gu06pept8ns9g1cc5ammrnb0ltfc2oe3/1380816000000/chromeos-autotest-results/16868915043591988290/ChljaHJvbWVvcy1hdXRvdGVzdC1yZXN1bHRzEn41MDg5MDg4LWNocm9tZW9zLXRlc3QvY2hyb21lb3MyLXJvdzItcmFjazctaG9zdDEwL2xvZ2luX0NyeXB0b2hvbWVUZWxlbWV0cnkvc3lzaW5mby92YXIvbG9nX2RpZmYvY2hyb21lL2Nocm9tZV8yMDEzMDkzMC0wNDM2NTE?a=AGjQbs5-PBJjpSsEHvGvFgvFJNGmYsQjLweiQJ8TuydX7AL86CIVkpfGskZz5fYtWswwpWBCJjBwUJNLAMYLy-IrRqsLMOsnncACKzMAFApVQir3lrvvG23x4k70cJWvqnWMKxXaA-DIfWwC4edQ26PSYjAKvCZh5YSZ_fvJfFUXxpwjbvUftRIzX-ZAL5ZqD668Fxz1y9ecdKkysw6bPJVvA8MMqhpgecfnt20amUUU-AziOMzN_SF8DvcPAy6fiPF4aukkg9SDwCpzJY3YAdlJPuACHzYBkQy_cjVFV5Rr0RjWq8T-IMpRWO2V9RqkPJQAnvcRiO_RbQlKOxqyeQC_1T6pUwnSbjwPzzrqpUcuCgiiWEsoACaUbyRHNG4bCSUPkTN1riM4JKbz3Hzl2QOnFWYMzNUEvwbvQfClUnI2Q_cruk1oLs-_FUnknevdbxQKsdfeFeDGUJEWl6sDM9sVqlow8JAkx35AEyzFPkbUUaCBWFfviUZ9MamQ3ClkqfUjmx5Dt22lg1OC52YJCmlXv6WA2bvXVQuL6-j9t-bko75NWWmW7P0hhv5aVjifc0Og8YmWotdvF_F6P1hkzy-4vJ9wkAlEu7WG2cJ3uxoqKeXrjneWzRcJ03RLer7EGgwRFTwX5K1bYRTeGF_irmMIcA-TTe71ZfXopr1b7iCrhfy9hX1UGfRrr5qzaZXlKzD89s_vS4mfiAfIkY-axu3jWEHvmNUmEXELcQk9kcnGZV8yVLPPTq50svf1TySZFf910ttHnWGH-nJogP2G-NGQOq6PTtUXoY6eU5GnPQ6xx3tofCvi4oG6kFUTLMp4Hw9nogGqMHOA

BUG=263527

Review URL: https://codereview.chromium.org/25914002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226933 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 226933