Pass method parameters as JavaParamRef in android_webview.

android_webview/native/permission/aw_permission_request.cc

Index: android_webview/native/permission/aw_permission_request.cc
diff --git a/android_webview/native/permission/aw_permission_request.cc b/android_webview/native/permission/aw_permission_request.cc
index f25db3e03aeff8c559d7881a7527ebaafc1166f5..27f0b5b6c59f0e7c0df0430a4da7a0980ba4fc6c 100644
--- a/android_webview/native/permission/aw_permission_request.cc
+++ b/android_webview/native/permission/aw_permission_request.cc
@@ -46,7 +46,7 @@ AwPermissionRequest::~AwPermissionRequest() {
 }
 
 void AwPermissionRequest::OnAccept(JNIEnv* env,
-                                   jobject jcaller,
+                                   const JavaParamRef<jobject>& jcaller,
                                    jboolean accept) {
   OnAcceptInternal(accept);
 }
@@ -66,7 +66,8 @@ void AwPermissionRequest::DeleteThis() {
                                          j_request.obj());
 }
 
-void AwPermissionRequest::Destroy(JNIEnv* env, jobject obj) {
+void AwPermissionRequest::Destroy(JNIEnv* env,
+                                  const JavaParamRef<jobject>& obj) {
   delete this;
 }