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 48f48bd9aab72803e453eee645faad8f9299db1f..73b6c50371089f584bfd98ed7671a62531a40d6a 100644
--- a/chrome/browser/policy/configuration_policy_handler_list_factory.cc
+++ b/chrome/browser/policy/configuration_policy_handler_list_factory.cc
@@ -617,6 +617,12 @@ 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::kPinUnlockAllowWeakPins, prefs::kPinUnlockAllowWeakPins,
+    base::Value::TYPE_BOOLEAN },
 #endif
 };