[Extensions UI] Use developerPrivate API for profile configuration

chrome/browser/resources/extensions/extensions.js

Index: chrome/browser/resources/extensions/extensions.js
diff --git a/chrome/browser/resources/extensions/extensions.js b/chrome/browser/resources/extensions/extensions.js
index e6dceddbbc59a068aa8895b9f9272706c93581df..211ecba879167dd5b78914e2a48a9c941a817c13 100644
--- a/chrome/browser/resources/extensions/extensions.js
+++ b/chrome/browser/resources/extensions/extensions.js
@@ -18,18 +18,6 @@
 <include src="chromeos/kiosk_apps.js">
 </if>
 
-/**
- * The type of the extension data object. The definition is based on
- * chrome/browser/ui/webui/extensions/extension_settings_handler.cc:
- *     ExtensionSettingsHandler::HandleRequestExtensionsData()
- * @typedef {{developerMode: boolean,
- *            enableAppInfoDialog: boolean,
- *            incognitoAvailable: boolean,
- *            loadUnpackedDisabled: boolean,
- *            profileIsSupervised: boolean}}
- */
-var ExtensionDataResponse;
-
 // Used for observing function of the backend datasource for this page by
 // tests.
 var webuiResponded = false;
@@ -150,17 +138,18 @@ cr.define('extensions', function() {
       var wrapper = $('extension-list-wrapper');
       wrapper.insertBefore(extensionList, wrapper.firstChild);
 
-      // This will request the data to show on the page and will get a response
-      // back in returnExtensionsData.
-      chrome.send('extensionSettingsRequestExtensionsData');
+      this.update_();
+      // TODO(devlin): Remove this once all notifications are moved to events on
+      // the developerPrivate api.
+      chrome.send('extensionSettingsRegister');
 
       var extensionLoader = extensions.ExtensionLoader.getInstance();
 
       $('toggle-dev-on').addEventListener('change', function(e) {
         this.updateDevControlsVisibility_(true);
         extensionList.updateFocusableElements();
-        chrome.send('extensionSettingsToggleDeveloperMode',
-                    [$('toggle-dev-on').checked]);
+        chrome.developerPrivate.updateProfileConfiguration(
+            {inDeveloperMode: e.target.checked});
       }.bind(this));
 
       window.addEventListener('resize', function() {
@@ -226,6 +215,59 @@ cr.define('extensions', function() {
     },
 
     /**
+     * Updates the extensions page to the latest profile and extensions
+     * configuration.
+     * @private
+     */
+    update_: function() {
+      chrome.developerPrivate.getProfileConfiguration(
+          this.returnProfileConfiguration_.bind(this));
+    },
+
+    /**
+     * [Re]-Populates the page with data representing the current state of
+     * installed extensions.
+     * @param {ProfileInfo} profileInfo
+     * @private
+     */
+    returnProfileConfiguration_: function(profileInfo) {
+      webuiResponded = true;
+      /** @const */
+      var supervised = profileInfo.isSupervised;
+
+      var pageDiv = $('extension-settings');
+      pageDiv.classList.toggle('profile-is-supervised', supervised);
+      pageDiv.classList.toggle('showing-banner', supervised);
+
+      var devControlsCheckbox = $('toggle-dev-on');
+      devControlsCheckbox.checked = profileInfo.inDeveloperMode;
+      devControlsCheckbox.disabled = supervised;
+
+      this.updateDevControlsVisibility_(false);
+
+      $('load-unpacked').disabled = !profileInfo.canLoadUnpacked;
+      var extensionList = $('extension-settings-list');
+      extensionList.updateExtensionsData(
+          profileInfo.isIncognitoAvailable,
+          profileInfo.appInfoDialogEnabled).then(function() {
+        // We can get called many times in short order, thus we need to
+        // be careful to remove the 'finished loading' timeout.
+        if (this.loadingTimeout_)
+          window.clearTimeout(this.loadingTimeout_);
+        document.documentElement.classList.add('loading');
+        this.loadingTimeout_ = window.setTimeout(function() {
+          document.documentElement.classList.remove('loading');
+        }, 0);
+
+        /** @const */
+        var hasExtensions = extensionList.getNumExtensions() != 0;
+        $('no-extensions').hidden = hasExtensions;
+        $('extension-list-wrapper').hidden = !hasExtensions;
+        $('extension-settings-list').updateFocusableElements();
+      }.bind(this));
+    },
+
+    /**
      * Handles the Pack Extension button.
      * @param {Event} e Change event.
      * @private
@@ -291,44 +333,8 @@ cr.define('extensions', function() {
     },
   };
 
-  /**
-   * Called by the dom_ui_ to re-populate the page with data representing
-   * the current state of installed extensions.
-   * @param {ExtensionDataResponse} extensionsData
-   */
-  ExtensionSettings.returnExtensionsData = function(extensionsData) {
-    webuiResponded = true;
-
-    var supervised = extensionsData.profileIsSupervised;
-
-    var pageDiv = $('extension-settings');
-    pageDiv.classList.toggle('profile-is-supervised', supervised);
-    pageDiv.classList.toggle('showing-banner', supervised);
-
-    var devControlsCheckbox = $('toggle-dev-on');
-    devControlsCheckbox.checked = extensionsData.developerMode;
-    devControlsCheckbox.disabled = supervised;
-
-    ExtensionSettings.getInstance().updateDevControlsVisibility_(false);
-
-    $('load-unpacked').disabled = extensionsData.loadUnpackedDisabled;
-    var extensionList = $('extension-settings-list');
-    extensionList.updateExtensionsData(
-        extensionsData.incognitoAvailable,
-        extensionsData.enableAppInfoDialog).then(function() {
-      // We can get called many times in short order, thus we need to
-      // be careful to remove the 'finished loading' timeout.
-      if (this.loadingTimeout_)
-        window.clearTimeout(this.loadingTimeout_);
-      this.loadingTimeout_ = window.setTimeout(function() {
-        document.documentElement.classList.remove('loading');
-      }, 0);
-
-      var hasExtensions = extensionList.getNumExtensions() != 0;
-      $('no-extensions').hidden = hasExtensions;
-      $('extension-list-wrapper').hidden = !hasExtensions;
-      $('extension-settings-list').updateFocusableElements();
-    }.bind(this));
+  ExtensionSettings.onExtensionsChanged = function() {
+    ExtensionSettings.getInstance().update_();
   };
 
   /**