Initialize Virtual Keyboard when --login-manager isn't specifid

BUG=None
TBR=dpolukhin@chromium.org

Review URL: https://codereview.chromium.org/560293003

Cr-Commit-Position: refs/heads/master@{#294403}

chrome/browser/ui/views/athena/chrome_browser_main_extra_parts_athena.cc

@@ -51,6 +51,7 @@ class ChromeBrowserMainExtraPartsAthena : public ChromeBrowserMainExtraParts,
     if (!CommandLine::ForCurrentProcess()->HasSwitch(
             chromeos::switches::kLoginManager)) {
       athena::ExtensionsDelegate::CreateExtensionsDelegateForChrome(profile);
+      athena::CreateVirtualKeyboardWithContext(profile);
       athena::StartAthenaSessionWithContext(profile);
     } else {
       // Only initialize virtual keyboard with login profile, user session will