ChromeOS: Add SystemTimezoneAutomaticDetection policy.

chrome/browser/resources/options/browser_options.js

 // Copyright (c) 2012 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.
 
 cr.exportPath('options');
 
 /**
  * @typedef {{actionLinkText: (string|undefined),
  *            childUser: (boolean|undefined),
  *            hasError: (boolean|undefined),
@@ skipping 100 matching lines @@
      */
     resolveTimezoneByGeolocation_: false,
 
     /**
      * True if system timezone is managed by policy.
      * @private {boolean}
      */
     systemTimezoneIsManaged_: false,
 
     /**
+     * True if system timezone detection is managed by policy.
+     * @private {boolean}
+     */
+    systemTimezoneAutomaticDetectionIsManaged_: false,
+
+    /**
+     * This is the value of SystemTimezoneAutomaticDetection policy.
+     * @private {boolean}
+     */
+    systemTimezoneAutomaticDetectionValue_: 0,
+
+    /**
      * Cached bluetooth adapter state.
      * @private {?chrome.bluetooth.AdapterState}
      */
     bluetoothAdapterState_: null,
 
     /** @override */
     initializePage: function() {
       Page.prototype.initializePage.call(this);
       var self = this;
 
@@ skipping 1543 matching lines @@
       var event = new Event('wallpaper');
       event.value = managed ? { controlledBy: 'policy' } : {};
       $('wallpaper-indicator').handlePrefChange(event);
     },
 
     /**
      * This enables or disables dependent settings in timezone section.
      * @private
      */
     updateTimezoneSectionState_: function() {
+      var self = this;
+      $('resolve-timezone-by-geolocation')
+          .onclick = function(event) {
+        self.resolveTimezoneByGeolocation_ = event.currentTarget.checked;
+      };
       if (this.systemTimezoneIsManaged_) {
-        $('resolve-timezone-by-geolocation-selection').disabled = true;
-        $('resolve-timezone-by-geolocation').onclick = function(event) {};
+        $('resolve-timezone-by-geolocation').disabled = true;
+        $('resolve-timezone-by-geolocation').checked = false;
+      } else if (this.systemTimezoneAutomaticDetectionIsManaged_) {
+        if (this.systemTimezoneAutomaticDetectionValue_ ==
+            0 /* USERS_DECIDE */) {
+          $('resolve-timezone-by-geolocation').disabled = false;
+          $('resolve-timezone-by-geolocation')
+              .checked = this.resolveTimezoneByGeolocation_;
+          $('timezone-value-select')
+              .disabled = this.resolveTimezoneByGeolocation_;
+        } else {
+          $('resolve-timezone-by-geolocation').disabled = true;
+          $('resolve-timezone-by-geolocation')
+              .checked =
+              (this.systemTimezoneAutomaticDetectionValue_ != 1 /* DISABLED */);
+          $('timezone-value-select').disabled = true;
+        }
       } else {
         this.enableElementIfPossible_(
-            getRequiredElement('resolve-timezone-by-geolocation-selection'));
-        $('resolve-timezone-by-geolocation').onclick = function(event) {
-          $('timezone-value-select').disabled = event.currentTarget.checked;
-        };
+            getRequiredElement('resolve-timezone-by-geolocation'));
         $('timezone-value-select').disabled =
             this.resolveTimezoneByGeolocation_;
       }
     },
 
     /**
      * This is called from chromium code when system timezone "managed" state
      * is changed. Enables or disables dependent settings.
      * @param {boolean} managed Is true when system Timezone is managed by
      *     enterprise policy. False otherwize.
      */
     setSystemTimezoneManaged_: function(managed) {
       this.systemTimezoneIsManaged_ = managed;
       this.updateTimezoneSectionState_();
     },
 
     /**
+     * This is called from chromium code when system timezone detection
+     * "managed" state is changed. Enables or disables dependent settings.
+     * @param {boolean} managed Is true when system timezone autodetection is
+     *     managed by enterprise policy. False otherwize.
+     */
+    setSystemTimezoneAutomaticDetectionManaged_: function(managed, value) {
+      this.systemTimezoneAutomaticDetectionIsManaged_ = managed;
+      this.systemTimezoneAutomaticDetectionValue_ = value;
+      this.updateTimezoneSectionState_();
+    },
+
+    /**
      * This is Preferences event listener, which is called when
      * kResolveTimezoneByGeolocation preference is changed.
      * Enables or disables dependent settings.
      * @param {Event} value New preference state.
      */
     onResolveTimezoneByGeolocationChanged_: function(value) {
       this.resolveTimezoneByGeolocation_ = value.value.value;
       this.updateTimezoneSectionState_();
     },
 
@@ skipping 528 matching lines @@
     'setNativeThemeButtonEnabled',
     'setNetworkPredictionValue',
     'setNowSectionVisible',
     'setHighContrastCheckboxState',
     'setAllHotwordSectionsVisible',
     'setMetricsReportingCheckboxState',
     'setMetricsReportingSettingVisibility',
     'setProfilesInfo',
     'setSpokenFeedbackCheckboxState',
     'setSystemTimezoneManaged',
+    'setSystemTimezoneAutomaticDetectionManaged',
     'setThemesResetButtonEnabled',
     'setVirtualKeyboardCheckboxState',
     'setupPageZoomSelector',
     'setupProxySettingsButton',
     'setAudioHistorySectionVisible',
     'showCreateProfileError',
     'showCreateProfileSuccess',
     'showCreateProfileWarning',
     'showHotwordAlwaysOnSection',
     'showHotwordNoDspSection',
@@ skipping 66 matching lines @@
       if (section)
         section.hidden = true;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });