Properly throw java exceptions from shouldOverrideUrlLoading

base/test/android/test_system_message_handler_link_android.cc

+// Copyright (c) 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/test/android/test_system_message_handler_link_android.h"
+
+#include "base/message_loop/message_pump_android.h"
+#include "base/synchronization/waitable_event.h"
+
+#include "jni/TestSystemMessageHandler_jni.h"
+
+namespace base {
+namespace android {
+
+base::android::ScopedJavaLocalRef<jobject>
+TestSystemMessageHandlerLink::createTestSystemMessageHandler(
+    JNIEnv* env,
+    base::MessagePump::Delegate* delegate,
+    MessagePumpForUI* message_pump,
+    WaitableEvent* test_done_event) {
+  return Java_TestSystemMessageHandler_create(
+      env, reinterpret_cast<intptr_t>(delegate),
+      reinterpret_cast<intptr_t>(message_pump),
+      reinterpret_cast<intptr_t>(test_done_event));
+}
+
+bool TestSystemMessageHandlerLink::RegisterJNI(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+static void NotifyTestDone(JNIEnv* env,
+                           const base::android::JavaParamRef<jclass>& jcaller,
+                           jlong native_waitable_test_event) {
+  WaitableEvent* event =
+      reinterpret_cast<WaitableEvent*>(native_waitable_test_event);
+  DCHECK(event);
+  event->Signal();
+}
+
+}  // namespace android
+}  // namespace base