Have AutofillManagerDelegate supply the AutofillWebDataService to core code.

android_webview/native/aw_autofill_manager_delegate.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "android_webview/native/aw_autofill_manager_delegate.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_content_browser_client.h"
 #include "android_webview/browser/aw_pref_store.h"
 #include "android_webview/native/aw_contents.h"
@@ skipping 52 matching lines @@
 PrefService* AwAutofillManagerDelegate::GetPrefs() {
   return user_prefs::UserPrefs::Get(
       AwContentBrowserClient::GetAwBrowserContext());
 }
 
 autofill::PersonalDataManager*
 AwAutofillManagerDelegate::GetPersonalDataManager() {
   return NULL;
 }
 
+scoped_refptr<autofill::AutofillWebDataService> GetAutofillWebDataService() {
+  return autofill::AutofillWebDataService::FromBrowserContext(
+      web_contents_->GetBrowserContext());
+}
+
 void AwAutofillManagerDelegate::ShowAutofillPopup(
     const gfx::RectF& element_bounds,
     base::i18n::TextDirection text_direction,
     const std::vector<string16>& values,
     const std::vector<string16>& labels,
     const std::vector<string16>& icons,
     const std::vector<int>& identifiers,
     base::WeakPtr<autofill::AutofillPopupDelegate> delegate) {
 
   values_ = values;
@@ skipping 99 matching lines @@
     const GURL& source_url,
     const base::Callback<void(const autofill::FormStructure*)>& callback) {
   NOTIMPLEMENTED();
 }
 
 bool RegisterAwAutofillManagerDelegate(JNIEnv* env) {
   return RegisterNativesImpl(env) >= 0;
 }
 
 } // namespace android_webview