Implement the autofill UI for chromium powered android webview.

android_webview/native/android_webview_jni_registrar.cc

Index: android_webview/native/android_webview_jni_registrar.cc
diff --git a/android_webview/native/android_webview_jni_registrar.cc b/android_webview/native/android_webview_jni_registrar.cc
index 05f43888e0a5db4c1156decaeca73bb388906009..9202999aa0e68c133fd6dfa77ece2c408893ff37 100644
--- a/android_webview/native/android_webview_jni_registrar.cc
+++ b/android_webview/native/android_webview_jni_registrar.cc
@@ -5,6 +5,7 @@
 #include "android_webview/native/android_webview_jni_registrar.h"
 
 #include "android_webview/native/android_protocol_handler.h"
+#include "android_webview/native/aw_autofill_manager_delegate.h"
 #include "android_webview/native/aw_contents.h"
 #include "android_webview/native/aw_contents_client_bridge.h"
 #include "android_webview/native/aw_contents_io_thread_client_impl.h"
@@ -27,6 +28,7 @@ namespace android_webview {
 static base::android::RegistrationMethod kWebViewRegisteredMethods[] = {
   // Register JNI for android_webview classes.
   { "AndroidProtocolHandler", RegisterAndroidProtocolHandler },
+  { "AwAutofillManagerDelegate", RegisterAwAutofillManagerDelegate },
   { "AwContents", RegisterAwContents },
   { "AwContentsClientBridge", RegisterAwContentsClientBridge },
   { "AwContentsIoThreadClientImpl", RegisterAwContentsIoThreadClientImpl},