[uber page] Fix uncaught exception on chromeos when running in guest mode.

BUG=115744
TEST=Verify settings works in guest mode.

Review URL: http://codereview.chromium.org/9481022

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@123921 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 5 insertions, 6 deletions

diff --git a/chrome/browser/resources/options2/browser_options.js b/chrome/browser/resources/options2/browser_options.js
index 280f7af..6ab974b 100644
--- a/chrome/browser/resources/options2/browser_options.js
+++ b/chrome/browser/resources/options2/browser_options.js
@@ -176,19 +176,18 @@ cr.define('options', function() {
         // |kGuestUser| if a guest session is active.
         this.username_ = localStrings.getString('username');
 
-        $('account-picture-wrapper').onclick = function(event) {
-          OptionsPage.navigateToPage('changePicture');
-        };
         this.updateAccountPicture_();
 
         if (cr.commandLine && cr.commandLine.options['--bwsi']) {
-          // Disable the screen lock checkbox and change-picture-button in
-          // guest mode.
+          // Disable the screen lock checkbox in guest mode.
           $('enable-screen-lock').disabled = true;
-          $('change-picture-button').disabled = true;
 
           // Hide the startup section in Guest mode.
           $('startup-section').hidden = true;
+        } else {
+          $('account-picture-wrapper').onclick = function(event) {
+            OptionsPage.navigateToPage('changePicture');
+          };
         }
 
         $('manage-accounts-button').onclick = function(event) {