Implement the autofill UI for chromium powered android webview.

android_webview/native/aw_contents.cc

Index: android_webview/native/aw_contents.cc
diff --git a/android_webview/native/aw_contents.cc b/android_webview/native/aw_contents.cc
index a7dfa54e23c98ced7b1d749bc35ba0f9f848108e..97e52c6ce7dbd0a12fb10ec75f0c247c40ce2bef 100644
--- a/android_webview/native/aw_contents.cc
+++ b/android_webview/native/aw_contents.cc
@@ -11,6 +11,7 @@
 #include "android_webview/browser/net_disk_cache_remover.h"
 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
 #include "android_webview/common/aw_hit_test_data.h"
+#include "android_webview/native/aw_autofill_manager_delegate.h"
 #include "android_webview/native/aw_browser_dependency_factory.h"
 #include "android_webview/native/aw_contents_client_bridge.h"
 #include "android_webview/native/aw_contents_io_thread_client_impl.h"
@@ -193,6 +194,14 @@ void AwContents::InitAutofillIfNecessary(bool enabled) {
       AutofillExternalDelegate::FromWebContents(web_contents));
 }
 
+void AwContents::SetAwAutofillManagerDelegate(jobject delegate) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return;
+  Java_AwContents_setAwAutofillManagerDelegate(env, obj.obj(), delegate);
+}
+
 void AwContents::SetWebContents(JNIEnv* env, jobject obj, jint new_wc) {
   SetWebContents(reinterpret_cast<content::WebContents*>(new_wc));
 }