headless: Allow per-context protocol handlers

headless/test/test_protocol_handler.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 "headless/test/test_protocol_handler.h"
+
+#include "headless/test/test_url_request_job.h"
+
+namespace headless {
+
+TestProtocolHandler::TestProtocolHandler(const std::string& body)
+    : body_(body) {}
+
+net::URLRequestJob* TestProtocolHandler::MaybeCreateJob(
+    net::URLRequest* request,
+    net::NetworkDelegate* network_delegate) const {
+  return new TestURLRequestJob(request, network_delegate, body_);
+}
+
+}  // namespace headless