Add a lock to the managed user settings page and require authentication for unlocking.

chrome/common/url_constants.cc

Index: chrome/common/url_constants.cc
diff --git a/chrome/common/url_constants.cc b/chrome/common/url_constants.cc
index a8427b1ab47868b69c4eeadb9a4ffbe11ac72cca..441a255e27cf4b42d3d497c942bbcf500b662ed3 100644
--- a/chrome/common/url_constants.cc
+++ b/chrome/common/url_constants.cc
@@ -48,6 +48,8 @@ const char kChromeUIInspectURL[] = "chrome://inspect/";
 const char kChromeUIInstantURL[] = "chrome://instant/";
 const char kChromeUIIPCURL[] = "chrome://ipc/";
 const char kChromeUIKeyboardURL[] = "chrome://keyboard/";
+const char kChromeUIManagedUserPassphrasePageURL[] =
+    "chrome://managed-user-passphrase/";
 const char kChromeUIMemoryRedirectURL[] = "chrome://memory-redirect/";
 const char kChromeUIMemoryURL[] = "chrome://memory/";
 const char kChromeUIMetroFlowURL[] = "chrome://make-metro/";
@@ -171,6 +173,7 @@ const char kChromeUIIPCHost[] = "ipc";
 const char kChromeUIKeyboardHost[] = "keyboard";
 const char kChromeUIKillHost[] = "kill";
 const char kChromeUILocalOmniboxPopupHost[] = "local-omnibox-popup";
+const char kChromeUIManagedUserPassphrasePageHost[] = "managed-user-passphrase";
 const char kChromeUIMediaInternalsHost[] = "media-internals";
 const char kChromeUIMemoryHost[] = "memory";
 const char kChromeUIMemoryRedirectHost[] = "memory-redirect";