Properly throw java exceptions from shouldOverrideUrlLoading

base/test/run_all_base_unittests.cc

 // Copyright 2016 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 "base/bind.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
 
+#if defined(OS_ANDROID)
+#include "base/android/jni_android.h"
+#include "base/test/android/test_system_message_handler_link_android.h"
+#endif  // defined(OS_ANDROID)
+
 int main(int argc, char** argv) {
+#if defined(OS_ANDROID)
+  base::android::TestSystemMessageHandlerLink::RegisterJNI(
+      base::android::AttachCurrentThread());
+#endif  // defined(OS_ANDROID)
+
   base::TestSuite test_suite(argc, argv);
   return base::LaunchUnitTests(
       argc, argv,
       base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
 }