Extract policy indicator behavior

ui/webui/resources/cr_elements/v1_0/policy/cr_policy_pref_behavior.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Behavior for policy controlled settings prefs.
  */
 
 /** @polymerBehavior */
 var CrPolicyPrefBehavior = {
   /**
    * @param {!chrome.settingsPrivate.PrefObject} pref
    * @return {boolean} True if the pref is controlled by an enforced policy.
    */
   isPrefPolicyControlled: function(pref) {
     return pref.policyEnforcement ==
            chrome.settingsPrivate.PolicyEnforcement.ENFORCED;
   },
+
+  /**
+   * @param {chrome.settingsPrivate.PolicySource} source
+   * @param {chrome.settingsPrivate.PolicyEnforcement} enforcement
+   * @return {CrPolicyIndicatorType} The indicator type based on |source| and
+   *     |enforcement|.
+   */
+  getIndicatorType: function(source, enforcement) {
+    if (enforcement == chrome.settingsPrivate.PolicyEnforcement.ENFORCED) {
+      if (source == chrome.settingsPrivate.PolicySource.PRIMARY_USER)
+        return CrPolicyIndicatorType.PRIMARY_USER;
+      else if (source == chrome.settingsPrivate.PolicySource.OWNER)
+        return CrPolicyIndicatorType.OWNER;
+      else if (source == chrome.settingsPrivate.PolicySource.USER_POLICY)
+        return CrPolicyIndicatorType.USER_POLICY;
+      else if (source == chrome.settingsPrivate.PolicySource.DEVICE_POLICY)
+        return CrPolicyIndicatorType.DEVICE_POLICY;
+      else if (source == chrome.settingsPrivate.PolicySource.EXTENSION)
+        return CrPolicyIndicatorType.EXTENSION;

[Dan Beam, 2015/10/15 04:31:01]

nit: use switches, no elses after returns

[stevenjb, 2015/10/15 22:56:22]

Done.

+    } else if (enforcement ==
+               chrome.settingsPrivate.PolicyEnforcement.RECOMMENDED) {
+      return CrPolicyIndicatorType.RECOMMENDED;
+    }
+    return CrPolicyIndicatorType.NONE;
+  },
 };