Implement important sites dialog for desktop.

chrome/test/data/webui/settings/privacy_page_test.js

Index: chrome/test/data/webui/settings/privacy_page_test.js
diff --git a/chrome/test/data/webui/settings/privacy_page_test.js b/chrome/test/data/webui/settings/privacy_page_test.js
index 0488099c61caf12b4cc1e8dd97dfd7fcc128c55a..db8b46aaac983300094d04eafc6c638d9957de2c 100644
--- a/chrome/test/data/webui/settings/privacy_page_test.js
+++ b/chrome/test/data/webui/settings/privacy_page_test.js
@@ -9,10 +9,8 @@ cr.define('settings_privacy_page', function() {
    * @implements {settings.ClearBrowsingDataBrowserProxy}
    */
   function TestClearBrowsingDataBrowserProxy() {
-    settings.TestBrowserProxy.call(this, [
-      'initialize',
-      'clearBrowsingData',
-    ]);
+    settings.TestBrowserProxy.call(
+        this, ['initialize', 'clearBrowsingData', 'fetchImportantSites']);
 
     /**
      * The promise to return from |clearBrowsingData|.
@@ -21,6 +19,13 @@ cr.define('settings_privacy_page', function() {
      * @private {?Promise}
      */
     this.clearBrowsingDataPromise_ = null;
+
+    /**
+     * Default response for fetchImportantSites. It tells the ui that important
+     * sites are disabled.
+     * @private {!ImportantSitesResponse}
+     */
+    this.importantSitesResponse_ = {flagEnabled: false, importantSites: []};
   }
 
   TestClearBrowsingDataBrowserProxy.prototype = {
@@ -32,13 +37,24 @@ cr.define('settings_privacy_page', function() {
     },
 
     /** @override */
-    clearBrowsingData: function() {
-      this.methodCalled('clearBrowsingData');
+    clearBrowsingData: function(importantSites) {
+      this.methodCalled('clearBrowsingData', importantSites);
       cr.webUIListenerCallback('browsing-data-removing', true);
       return this.clearBrowsingDataPromise_ !== null ?
           this.clearBrowsingDataPromise_ : Promise.resolve();
     },
 
+    /** @param {!ImportantSitesResponse} response */
+    setImportantSitesResponse: function(response) {
+      this.importantSitesResponse_ = response;
+    },
+
+    /** @override */
+    fetchImportantSites: function() {
+      this.methodCalled('fetchImportantSites');
+      return Promise.resolve(this.importantSitesResponse_);
+    },
+
     /** @override */
     initialize: function() {
       this.methodCalled('initialize');
@@ -113,13 +129,17 @@ cr.define('settings_privacy_page', function() {
         PolymerTest.clearBody();
         element = document.createElement('settings-clear-browsing-data-dialog');
         document.body.appendChild(element);
-        return testBrowserProxy.whenCalled('initialize');
+        return testBrowserProxy.whenCalled('initialize').then(function() {
+          return testBrowserProxy.whenCalled('fetchImportantSites');
+        });
       });
 
       teardown(function() { element.remove(); });
 
       test('ClearBrowsingDataTap', function() {
         assertTrue(element.$.dialog.open);
+        assertFalse(element.importantSitesFlagEnabled_);
+        assertEquals(element.dialogState_, 'clearBrowsingData');
 
         var cancelButton = element.$$('.cancel-button');
         assertTrue(!!cancelButton);
@@ -136,12 +156,13 @@ cr.define('settings_privacy_page', function() {
         testBrowserProxy.setClearBrowsingDataPromise(promiseResolver.promise);
         MockInteractions.tap(actionButton);
 
-        return testBrowserProxy.whenCalled('clearBrowsingData').then(
-            function() {
+        return testBrowserProxy.whenCalled('clearBrowsingData')
+            .then(function(importantSites) {
               assertTrue(element.$.dialog.open);
               assertTrue(cancelButton.disabled);
               assertTrue(actionButton.disabled);
               assertTrue(spinner.active);
+              assertTrue(importantSites.length == 0);
 
               // Simulate signal from browser indicating that clearing has
               // completed.
@@ -150,12 +171,15 @@ cr.define('settings_privacy_page', function() {
               // Yields to the message loop to allow the callback chain of the
               // Promise that was just resolved to execute before the
               // assertions.
-            }).then(function() {
+            })
+            .then(function() {
               assertFalse(element.$.dialog.open);
               assertFalse(cancelButton.disabled);
               assertFalse(actionButton.disabled);
               assertFalse(spinner.active);
               assertFalse(!!element.$$('#notice'));
+              // Check that the dialog didn't switch to important sites.
+              assertEquals(element.dialogState_, 'clearBrowsingData');
             });
       });
 
@@ -232,6 +256,70 @@ cr.define('settings_privacy_page', function() {
     });
   }
 
+  suite('ImportantSites', function() {
+    /** @type {settings.TestClearBrowsingDataBrowserProxy} */
+    var testBrowserProxy;
+
+    /** @type {SettingsClearBrowsingDataDialogElement} */
+    var element;
+
+    /** @type {Array<ImportantSite>} */
+    var importantSites = [
+      {registerableDomain: 'google.com', isChecked: true},
+      {registerableDomain: 'yahoo.com', isChecked: true}
+    ]
+
+    setup(function() {
+      testBrowserProxy = new TestClearBrowsingDataBrowserProxy();
+      testBrowserProxy.setImportantSitesResponse({
+        flagEnabled: true,
+        importantSites: importantSites,
+      });
+      settings.ClearBrowsingDataBrowserProxyImpl.instance_ = testBrowserProxy;
+      PolymerTest.clearBody();
+      element = document.createElement('settings-clear-browsing-data-dialog');
+      document.body.appendChild(element);
+      return testBrowserProxy.whenCalled('initialize').then(function() {
+        return testBrowserProxy.whenCalled('fetchImportantSites');
+      });
+    });
+
+    teardown(function() {
+      element.remove();
+    });
+
+    test('fetchImportantSites', function() {
+      assertTrue(element.$.dialog.open);
+      assertEquals(element.dialogState_, 'clearBrowsingData');
+      // Select an entry that can have important storage.
+      element.$.cookiesCheckbox.checked = true;
+      var actionButton = element.$$('.action-button');
+      assertTrue(!!actionButton);
+      // Clear browsing data.
+      MockInteractions.tap(actionButton);
+      assertEquals(element.dialogState_, 'importantSites');
+
+      Polymer.dom.flush();
+      var firstImportantSite = element.$$('important-site-checkbox')
+      assertTrue(!!firstImportantSite);
+      assertEquals(firstImportantSite.site.registerableDomain, 'google.com');
+      assertTrue(firstImportantSite.site.isChecked)
+      // Choose to keep storage for google.com.
+      MockInteractions.tap(firstImportantSite.$.checkbox);
+      assertFalse(firstImportantSite.site.isChecked)
+      // Confirm deletion.
+      MockInteractions.tap(actionButton);
+      return testBrowserProxy.whenCalled('clearBrowsingData')
+          .then(function(sites) {
+            assertEquals(sites.length, 2);
+            assertEquals(sites[0].registerableDomain, 'google.com');
+            assertFalse(sites[0].isChecked);
+            assertEquals(sites[1].registerableDomain, 'yahoo.com');
+            assertTrue(sites[1].isChecked);
+          });
+    });
+  });
+
   function registerSafeBrowsingExtendedReportingTests() {
     suite('SafeBrowsingExtendedReporting', function() {
       /** @type {settings.TestPrivacyPageBrowserProxy} */