Use AutofillDriver* in ContentAutofillDriverFactory when possible

chrome/browser/ui/autofill/autofill_popup_controller_unittest.cc

Index: chrome/browser/ui/autofill/autofill_popup_controller_unittest.cc
diff --git a/chrome/browser/ui/autofill/autofill_popup_controller_unittest.cc b/chrome/browser/ui/autofill/autofill_popup_controller_unittest.cc
index a6ef0406f1470abf07411f11d52bf338f4b68616..81a62e40c13e507b0a9d22e065af3a51dbd774c3 100644
--- a/chrome/browser/ui/autofill/autofill_popup_controller_unittest.cc
+++ b/chrome/browser/ui/autofill/autofill_popup_controller_unittest.cc
@@ -126,8 +126,8 @@ class AutofillPopupControllerUnitTest : public ChromeRenderViewHostTestHarness {
     NavigateAndCommit(GURL("about:blank"));
     ContentAutofillDriverFactory* factory =
         ContentAutofillDriverFactory::FromWebContents(web_contents());
-    ContentAutofillDriver* driver =
-        factory->DriverForFrame(web_contents()->GetMainFrame());
+    ContentAutofillDriver* driver = static_cast<ContentAutofillDriver*>(
+        factory->DriverForFrame(web_contents()->GetMainFrame()));
     external_delegate_.reset(
         new NiceMock<MockAutofillExternalDelegate>(
             driver->autofill_manager(),
@@ -362,8 +362,8 @@ TEST_F(AutofillPopupControllerUnitTest, PopupsWithOnlyDataLists) {
 TEST_F(AutofillPopupControllerUnitTest, GetOrCreate) {
   ContentAutofillDriverFactory* factory =
       ContentAutofillDriverFactory::FromWebContents(web_contents());
-  ContentAutofillDriver* driver =
-      factory->DriverForFrame(web_contents()->GetMainFrame());
+  ContentAutofillDriver* driver = static_cast<ContentAutofillDriver*>(
+      factory->DriverForFrame(web_contents()->GetMainFrame()));
   MockAutofillExternalDelegate delegate(driver->autofill_manager(), driver);
 
   WeakPtr<AutofillPopupControllerImpl> controller =