Move URLLoaderClientImpl to a separate file

content/child/test_request_peer.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 CONTENT_CHILD_TEST_REQUEST_PEER_H_
+#define CONTENT_CHILD_TEST_REQUEST_PEER_H_
+
+#include <stdint.h>
+#include <memory>
+#include <string>
+#include "base/time/time.h"
+#include "content/public/child/request_peer.h"
+
+namespace net {
+struct RedirectInfo;
+}  // namespace net
+
+namespace content {
+
+class ReceivedData;
+class ResourceDispatcher;
+struct ResourceResponseInfo;
+
+// Listens for request response data and stores it so that it can be compared
+// to the reference data.
+class TestRequestPeer : public RequestPeer {
+ public:
+  struct Context;
+  TestRequestPeer(ResourceDispatcher* dispatcher, Context* context);
+  ~TestRequestPeer() override;
+
+  void OnUploadProgress(uint64_t position, uint64_t size) override;
+  bool OnReceivedRedirect(const net::RedirectInfo& redirect_info,
+                          const ResourceResponseInfo& info) override;
+  void OnReceivedResponse(const ResourceResponseInfo& info) override;
+  void OnDownloadedData(int len, int encoded_data_length) override;
+  void OnReceivedData(std::unique_ptr<ReceivedData> data) override;
+  void OnTransferSizeUpdated(int transfer_size_diff) override;
+  void OnCompletedRequest(int error_code,
+                          bool was_ignored_by_handler,
+                          bool stale_copy_in_cache,
+                          const base::TimeTicks& completion_time,
+                          int64_t total_transfer_size,
+                          int64_t encoded_body_size) override;
+
+  struct Context final {
+    Context();
+    ~Context();
+
+    // True if should follow redirects, false if should cancel them.
+    bool follow_redirects = true;
+    // True if the request should be deferred on redirects.
+    bool defer_on_redirect = false;
+
+    // Number of total redirects seen.
+    int seen_redirects = 0;
+
+    bool cancel_on_receive_response = false;
+    bool cancel_on_receive_data = false;
+    bool received_response = false;
+
+    // Data received. If downloading to file, remains empty.
+    std::string data;
+
+    // Total encoded data length, regardless of whether downloading to a file or
+    // not.
+    int total_encoded_data_length = 0;
+    // Total length when downloading to a file.
+    int total_downloaded_data_length = 0;
+
+    bool complete = false;
+    bool cancelled = false;
+    int request_id = -1;
+  };
+
+ private:
+  ResourceDispatcher* dispatcher_;
+  Context* context_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestRequestPeer);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_CHILD_TEST_REQUEST_PEER_H_