cros: Added a new function to quick unlock api for checking unfinished pins.

chrome/browser/policy/configuration_policy_handler_list_factory.cc

Index: chrome/browser/policy/configuration_policy_handler_list_factory.cc
diff --git a/chrome/browser/policy/configuration_policy_handler_list_factory.cc b/chrome/browser/policy/configuration_policy_handler_list_factory.cc
index 0a97cd645566959bccf8e9494f88696cbe98ef71..2a6be9e837313660c0a937b99ddaeea48b75a44d 100644
--- a/chrome/browser/policy/configuration_policy_handler_list_factory.cc
+++ b/chrome/browser/policy/configuration_policy_handler_list_factory.cc
@@ -616,6 +616,12 @@ const PolicyToPreferenceMapEntry kSimplePolicyMap[] = {
     base::Value::Type::LIST },
   { key::kQuickUnlockTimeout, prefs::kQuickUnlockTimeout,
     base::Value::Type::INTEGER },
+  { key::kPinUnlockMinimumLength, prefs::kPinUnlockMinimumLength,
+    base::Value::Type::INTEGER },
+  { key::kPinUnlockMaximumLength, prefs::kPinUnlockMaximumLength,
+    base::Value::Type::INTEGER },
+  { key::kPinUnlockWeakPinsAllowed, prefs::kPinUnlockWeakPinsAllowed,
+    base::Value::Type::BOOLEAN },
 #endif
 };