Regression: Overlay for "you' re now signed into chrome" remains open after...

Regression: Overlay for "you' re now signed into chrome" remains open after clicking on 'settings' link button.

BUG=491011

Review URL: https://codereview.chromium.org/1161973002

Cr-Commit-Position: refs/heads/master@{#333130}

chrome/browser/ui/cocoa/profiles/profile_chooser_controller.mm

@@ -1121,6 +1121,7 @@ class ActiveProfileObserverBridge : public AvatarMenuObserver,
       SyncConfirmationUIClosed(true);
   ProfileMetrics::LogProfileNewAvatarMenuSignin(
       ProfileMetrics::PROFILE_AVATAR_MENU_SIGNIN_SETTINGS);
+  [self close];
 }
 
 - (IBAction)syncSettingsConfirmed:(id)sender {

chrome/browser/ui/views/profiles/profile_chooser_view.cc

@@ -872,6 +872,7 @@ void ProfileChooserView::LinkClicked(views::Link* sender, int event_flags) {
     tutorial_mode_ = profiles::TUTORIAL_MODE_NONE;
     ProfileMetrics::LogProfileNewAvatarMenuSignin(
         ProfileMetrics::PROFILE_AVATAR_MENU_SIGNIN_SETTINGS);
+    Hide();
   } else if (sender == tutorial_not_you_link_) {
     ProfileMetrics::LogProfileNewAvatarMenuUpgrade(
         ProfileMetrics::PROFILE_AVATAR_MENU_UPGRADE_NOT_YOU);