Pass JavaRef to Java methods in net.

net/test/embedded_test_server/android/embedded_test_server_android.h

Index: net/test/embedded_test_server/android/embedded_test_server_android.h
diff --git a/net/test/embedded_test_server/android/embedded_test_server_android.h b/net/test/embedded_test_server/android/embedded_test_server_android.h
index c0d1cec60080c268e1209c1b22fec9bbf23c9e91..1b73082997d98a166f24c3e03f353672af75566b 100644
--- a/net/test/embedded_test_server/android/embedded_test_server_android.h
+++ b/net/test/embedded_test_server/android/embedded_test_server_android.h
@@ -20,7 +20,8 @@ namespace test_server {
 // The C++ side of the Java EmbeddedTestServer.
 class EmbeddedTestServerAndroid {
  public:
-  EmbeddedTestServerAndroid(JNIEnv* env, jobject obj);
+  EmbeddedTestServerAndroid(JNIEnv* env,
+                            const base::android::JavaRef<jobject>& obj);
   ~EmbeddedTestServerAndroid();
 
   void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);