Fix glitch that allows both "Loading..." and "[x] Save details in Chrome" to
show at the same time when clicking "Use Google Wallet".

BUG=331935
R=estade@chromium.org
TEST=manual

Review URL: https://codereview.chromium.org/101383006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@243380 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 243380