Use AutofillDriver* in ContentAutofillDriverFactory when possible

chrome/browser/autofill/autofill_browsertest.cc

 // 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.
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 96 matching lines @@
 
     ASSERT_TRUE(embedded_test_server()->Start());
     InProcessBrowserTest::SetUpOnMainThread();
   }
 
   void TearDownOnMainThread() override {
     // Make sure to close any showing popups prior to tearing down the UI.
     content::WebContents* web_contents =
         browser()->tab_strip_model()->GetActiveWebContents();
     AutofillManager* autofill_manager =
-        ContentAutofillDriverFactory::FromWebContents(web_contents)
-            ->DriverForFrame(web_contents->GetMainFrame())
+        static_cast<ContentAutofillDriver*>(
+            ContentAutofillDriverFactory::FromWebContents(web_contents)
+                ->DriverForFrame(web_contents->GetMainFrame()))
             ->autofill_manager();
     autofill_manager->client()->HideAutofillPopup();
     test::ReenableSystemServices();
   }
 
   PersonalDataManager* personal_data_manager() {
     return PersonalDataManagerFactory::GetForProfile(browser()->profile());
   }
 
   void SetProfiles(std::vector<AutofillProfile>* profiles) {
@@ skipping 677 matching lines @@
 IN_PROC_BROWSER_TEST_F(AutofillTest,
                        DISABLED_MergeAggregatedDuplicatedProfiles) {
   int num_of_profiles =
       AggregateProfilesIntoAutofillPrefs("dataset_duplicated_profiles.txt");
 
   ASSERT_GT(num_of_profiles,
             static_cast<int>(personal_data_manager()->GetProfiles().size()));
 }
 
 }  // namespace autofill