Use AutofillDriver* in ContentAutofillDriverFactory when possible

chrome/browser/autofill/autofill_interactive_uitest.cc

Index: chrome/browser/autofill/autofill_interactive_uitest.cc
diff --git a/chrome/browser/autofill/autofill_interactive_uitest.cc b/chrome/browser/autofill/autofill_interactive_uitest.cc
index 5820556ceffac44fbfc57ecb3a0ff558aae6eb46..6503703695b6bf618aadfbbd146fdf8219a4894e 100644
--- a/chrome/browser/autofill/autofill_interactive_uitest.cc
+++ b/chrome/browser/autofill/autofill_interactive_uitest.cc
@@ -235,8 +235,9 @@ class AutofillInteractiveTest : public InProcessBrowserTest {
     // Inject the test delegate into the AutofillManager.
     content::WebContents* web_contents = GetWebContents();
     ContentAutofillDriver* autofill_driver =
-        ContentAutofillDriverFactory::FromWebContents(web_contents)
-            ->DriverForFrame(web_contents->GetMainFrame());
+        static_cast<ContentAutofillDriver*>(
+            ContentAutofillDriverFactory::FromWebContents(web_contents)
+                ->DriverForFrame(web_contents->GetMainFrame()));
     AutofillManager* autofill_manager = autofill_driver->autofill_manager();
     autofill_manager->SetTestDelegate(&test_delegate_);
 
@@ -255,8 +256,9 @@ class AutofillInteractiveTest : public InProcessBrowserTest {
     // Make sure to close any showing popups prior to tearing down the UI.
     content::WebContents* web_contents = GetWebContents();
     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();