headless: Allow per-context protocol handlers

headless/test/test_protocol_handler.cc

Index: headless/test/test_protocol_handler.cc
diff --git a/headless/test/test_protocol_handler.cc b/headless/test/test_protocol_handler.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4752f91b3417e6c075d3227f3f11ab2798b8cb37
--- /dev/null
+++ b/headless/test/test_protocol_handler.cc
@@ -0,0 +1,20 @@
+// 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