Disable multi-profile UI in managed mode.

chrome/browser/ui/webui/options2/browser_options_handler2.cc

Index: chrome/browser/ui/webui/options2/browser_options_handler2.cc
diff --git a/chrome/browser/ui/webui/options2/browser_options_handler2.cc b/chrome/browser/ui/webui/options2/browser_options_handler2.cc
index 15bf0b1f2804cc1f6c305342bf3b2abef13b180e..f6b79ff1754da430a2e53e6e1d3d9e5f6a92fc42 100644
--- a/chrome/browser/ui/webui/options2/browser_options_handler2.cc
+++ b/chrome/browser/ui/webui/options2/browser_options_handler2.cc
@@ -1002,6 +1002,10 @@ void BrowserOptionsHandler::SendProfilesInfo() {
 }
 
 void BrowserOptionsHandler::CreateProfile(const ListValue* args) {
+  // This handler could have been called in managed mode, for example because
+  // the user fiddled with the web inspector. Silently return in this case.
+  if (!ProfileManager::IsMultipleProfilesEnabled())
+    return;
   ProfileManager::CreateMultiProfileAsync();
 }