Use AutofillDriver* in ContentAutofillDriverFactory when possible

chrome/browser/autofill/android/personal_data_manager_android.cc

Index: chrome/browser/autofill/android/personal_data_manager_android.cc
diff --git a/chrome/browser/autofill/android/personal_data_manager_android.cc b/chrome/browser/autofill/android/personal_data_manager_android.cc
index 3a5ad199fa1ab9d30acf74e136fa25c8d6858177..5f2d94f9da150f26cd17b433575caf7cfd8984b5 100644
--- a/chrome/browser/autofill/android/personal_data_manager_android.cc
+++ b/chrome/browser/autofill/android/personal_data_manager_android.cc
@@ -235,8 +235,8 @@ class FullCardRequester : public payments::FullCardRequest::Delegate,
       return;
     }
 
-    ContentAutofillDriver* driver =
-        factory->DriverForFrame(contents->GetMainFrame());
+    ContentAutofillDriver* driver = static_cast<ContentAutofillDriver*>(
+        factory->DriverForFrame(contents->GetMainFrame()));
     if (!driver) {
       OnFullCardRequestFailed();
       return;