Update from https://crrev.com/308331

net/test/url_request/url_request_mock_data_job.h

+// Copyright 2014 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 NET_URL_REQUEST_URL_REQUEST_MOCK_DATA_JOB_H_
+#define NET_URL_REQUEST_URL_REQUEST_MOCK_DATA_JOB_H_
+
+#include <string>
+
+#include "base/memory/weak_ptr.h"
+#include "net/base/net_export.h"
+#include "net/url_request/url_request_job.h"
+
+namespace net {
+
+class URLRequest;
+
+// Mock data job, which synchronously returns data repeated multiple times.
+class URLRequestMockDataJob : public URLRequestJob {
+ public:
+  URLRequestMockDataJob(URLRequest* request,
+                        NetworkDelegate* network_delegate,
+                        const std::string& data,
+                        int data_repeat_count);
+
+  void Start() override;
+  bool ReadRawData(IOBuffer* buf, int buf_size, int* bytes_read) override;
+
+  // Adds the testing URLs to the URLRequestFilter.
+  static void AddUrlHandler();
+  static void AddUrlHandlerForHostname(const std::string& hostname);
+
+  // Given data and repeat cound, constructs a mock URL that will return that
+  // data repeated |repeat_count| times when started.  |data| must be safe for
+  // URL.
+  static GURL GetMockHttpUrl(const std::string& data, int repeat_count);
+  static GURL GetMockHttpsUrl(const std::string& data, int repeat_count);
+
+  // URLRequestFailedJob must be added as a handler for |hostname| for
+  // the returned URL to return |net_error|.
+  static GURL GetMockHttpUrlForHostname(const std::string& hostname,
+                                        const std::string& data,
+                                        int repeat_count);
+  static GURL GetMockHttpsUrlForHostname(const std::string& hostname,
+                                         const std::string& data,
+                                         int repeat_count);
+
+ private:
+  ~URLRequestMockDataJob() override;
+
+  void StartAsync();
+
+  std::string data_;
+  size_t data_offset_;
+  base::WeakPtrFactory<URLRequestMockDataJob> weak_factory_;
+};
+
+}  // namespace net
+
+#endif  // NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_