Adds support for headless chrome embedder mojo services

headless/public/util/in_memory_request_job.h

+// 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.
+
+#ifndef HEADLESS_PUBLIC_UTIL_IN_MEMORY_URL_REQUEST_JOB_H_
+#define HEADLESS_PUBLIC_UTIL_IN_MEMORY_URL_REQUEST_JOB_H_
+
+#include "base/memory/weak_ptr.h"
+#include "headless/public/util/in_memory_protocol_handler.h"
+#include "net/url_request/url_request_job.h"
+
+namespace net {
+class StringIOBuffer;
+class DrainableIOBuffer;
+}
+
+namespace headless {
+class InMemoryRequestJob : public net::URLRequestJob {
+ public:
+  InMemoryRequestJob(net::URLRequest* request,
+                     net::NetworkDelegate* network_delegate,
+                     const InMemoryProtocolHandler::Response* response);
+
+  // net::URLRequestJob implementation:
+  void Start() override;
+  void Kill() override;
+  int ReadRawData(net::IOBuffer* buf, int buf_size) override;
+  bool GetMimeType(std::string* mime_type) const override;
+
+ private:
+  ~InMemoryRequestJob() override;
+
+  void StartAsync();
+
+  const InMemoryProtocolHandler::Response* response_;  // NOT OWNED
+  size_t data_offset_;
+
+  base::WeakPtrFactory<InMemoryRequestJob> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(InMemoryRequestJob);
+};
+
+}  // namespace headless
+
+#endif  // HEADLESS_PUBLIC_UTIL_IN_MEMORY_URL_REQUEST_JOB_H_