ceftests: Add shared test_request and test_server implementations

To reduce text execution time and flakyness this change also
introduces a global test server that is initialized when needed
and torn down after all tests have completed.

tests/ceftests/test_request.h

@@ -0,0 +1,69 @@
+// Copyright (c) 2020 The Chromium Embedded Framework 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 CEF_TESTS_CEFTESTS_TEST_REQUEST_H_
+#define CEF_TESTS_CEFTESTS_TEST_REQUEST_H_
+#pragma once
+
+#include <string>
+
+#include "include/base/cef_bind.h"
+#include "include/cef_frame.h"
+#include "include/cef_request.h"
+#include "include/cef_request_context.h"
+#include "include/cef_response.h"
+
+namespace test_request {
+
+// Stores all state passed to CefURLRequestClient.
+struct State {
+ public:
+  // Number of times each callback is executed.
+  int upload_progress_ct_ = 0;
+  int download_progress_ct_ = 0;
+  int download_data_ct_ = 0;
+  int auth_credentials_ct_ = 0;
+  int request_complete_ct_ = 0;
+
+  // From OnUploadProgress.
+  int64 upload_total_ = 0;
+
+  // From OnDownloadProgress.
+  int64 download_total_ = 0;
+
+  // From OnDownloadData.
+  std::string download_data_;
+
+  // From OnRequestComplete.
+  CefRefPtr<CefRequest> request_;
+  cef_urlrequest_status_t status_ = UR_UNKNOWN;
+  cef_errorcode_t error_code_ = ERR_NONE;
+  CefRefPtr<CefResponse> response_;
+  bool response_was_cached_ = false;
+};
+
+typedef base::Callback<void(const State& state)> RequestDoneCallback;
+
+struct SendConfig {
+  // Send using |frame_| or |request_context_| if non-nullptr.
+  // Sends using the global request context if both are nullptr.
+  CefRefPtr<CefFrame> frame_;
+  CefRefPtr<CefRequestContext> request_context_;
+
+  // The request to send.
+  CefRefPtr<CefRequest> request_;
+
+  // Returned via GetAuthCredentials if |has_credentials_| is true.
+  bool has_credentials_ = false;
+  std::string username_;
+  std::string password_;
+};
+
+// Send a request. |callback| will be executed on the calling thread after the
+// request completes.
+void Send(const SendConfig& config, const RequestDoneCallback& callback);
+
+}  // namespace test_request
+
+#endif  // CEF_TESTS_CEFTESTS_TEST_REQUEST_H_