[Cronet] Continue UrlRequest with NULL certificate if Client cert is requested.

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.
+// Mock data job, which synchronously returns data repeated multiple times. If
+// |request_client_certificate| is true, then this job will request client
+// certificate before proceeding.
 class URLRequestMockDataJob : public URLRequestJob {
  public:
   URLRequestMockDataJob(URLRequest* request,
                         NetworkDelegate* network_delegate,
                         const std::string& data,
-                        int data_repeat_count);
+                        int data_repeat_count,
+                        bool request_client_certificate);
 
   void Start() override;
   int ReadRawData(IOBuffer* buf, int buf_size) override;
   int GetResponseCode() const override;
   void GetResponseInfo(HttpResponseInfo* info) override;
+  void ContinueWithCertificate(X509Certificate* client_cert,
+                               SSLPrivateKey* client_private_key) 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);
 
+  // Constructs Mock URL which will request client certificate and return the
+  // word "data" as the response.
+  static GURL GetMockUrlForClientCertificateRequest();
+
   // 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:
   void GetResponseInfoConst(HttpResponseInfo* info) const;
   ~URLRequestMockDataJob() override;
 
   void StartAsync();
 
   std::string data_;
   size_t data_offset_;
+  bool request_client_certificate_;
   base::WeakPtrFactory<URLRequestMockDataJob> weak_factory_;
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_SIMPLE_JOB_H_