Have AutofillManagerDelegate supply the AutofillWebDataService to core code.

android_webview/native/aw_autofill_manager_delegate.cc

Index: android_webview/native/aw_autofill_manager_delegate.cc
diff --git a/android_webview/native/aw_autofill_manager_delegate.cc b/android_webview/native/aw_autofill_manager_delegate.cc
index c05666111871c96a1b45d963987d43fbe6c5144d..06eec05314185d14ddc13c74a71a802d845697bb 100644
--- a/android_webview/native/aw_autofill_manager_delegate.cc
+++ b/android_webview/native/aw_autofill_manager_delegate.cc
@@ -16,6 +16,7 @@
 #include "base/prefs/pref_service.h"
 #include "base/prefs/pref_service_builder.h"
 #include "components/autofill/core/browser/autofill_popup_delegate.h"
+#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
 #include "components/autofill/core/common/autofill_pref_names.h"
 #include "components/user_prefs/user_prefs.h"
 #include "content/public/browser/web_contents.h"
@@ -70,6 +71,12 @@ AwAutofillManagerDelegate::GetPersonalDataManager() {
   return NULL;
 }
 
+scoped_refptr<autofill::AutofillWebDataService>
+AwAutofillManagerDelegate::GetDatabase() {
+  return autofill::AutofillWebDataService::FromBrowserContext(
+      web_contents_->GetBrowserContext());
+}
+
 void AwAutofillManagerDelegate::ShowAutofillPopup(
     const gfx::RectF& element_bounds,
     base::i18n::TextDirection text_direction,