Adds support for headless chrome embedder mojo services

headless/public/util/in_memory_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/public/util/in_memory_protocol_handler.h"
+
+#include "headless/public/util/in_memory_request_job.h"
+
+namespace headless {
+
+InMemoryProtocolHandler::InMemoryProtocolHandler() {}
+InMemoryProtocolHandler::~InMemoryProtocolHandler() {}
+
+net::URLRequestJob* InMemoryProtocolHandler::MaybeCreateJob(
+    net::URLRequest* request,
+    net::NetworkDelegate* network_delegate) const {
+  return new InMemoryRequestJob(request, network_delegate,
+                                GetResponse(request->url().GetContent()));
+}
+
+void InMemoryProtocolHandler::InsertResponse(const std::string& request_path,
+                                             const Response& response) {
+  // GURL::GetContent excludes the scheme and : but includes the // prefix. As a
+  // convenience we add it here.
+  response_map_["//" + request_path] = response;
+}
+
+const InMemoryProtocolHandler::Response* InMemoryProtocolHandler::GetResponse(
+    const std::string& request_path) const {
+  std::map<std::string, Response>::const_iterator find_it =
+      response_map_.find(request_path);
+  if (find_it == response_map_.end())
+    return nullptr;
+  return &find_it->second;
+}
+
+}  // namespace headless