Have AutofillManagerDelegate supply the AutofillWebDataService to core code.

components/autofill/core/browser/test_autofill_manager_delegate.cc

Index: components/autofill/core/browser/test_autofill_manager_delegate.cc
diff --git a/components/autofill/core/browser/test_autofill_manager_delegate.cc b/components/autofill/core/browser/test_autofill_manager_delegate.cc
index 13e600bb3be804a62c62a036fe841ebd4d5d77f7..551af49d0dc79425d461fbd3303da801901d66db 100644
--- a/components/autofill/core/browser/test_autofill_manager_delegate.cc
+++ b/components/autofill/core/browser/test_autofill_manager_delegate.cc
@@ -3,6 +3,7 @@
 // found in the LICENSE file.
 
 #include "components/autofill/core/browser/test_autofill_manager_delegate.h"
+#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
 
 namespace autofill {
 
@@ -13,6 +14,11 @@ PersonalDataManager* TestAutofillManagerDelegate::GetPersonalDataManager() {
   return NULL;
 }
 
+scoped_refptr<AutofillWebDataService>
+TestAutofillManagerDelegate::GetDatabase() {
+  return scoped_refptr<AutofillWebDataService>(NULL);
+}
+
 PrefService* TestAutofillManagerDelegate::GetPrefs() {
   return NULL;
 }