Revert of Support different Google attestation (Privacy CA) servers.

chrome/browser/chromeos/attestation/attestation_ca_client.h

 // Copyright (c) 2013 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 CHROME_BROWSER_CHROMEOS_ATTESTATION_ATTESTATION_CA_CLIENT_H_
 #define CHROME_BROWSER_CHROMEOS_ATTESTATION_ATTESTATION_CA_CLIENT_H_
 
 #include <map>
 #include <string>
 
 #include "base/macros.h"
-#include "chromeos/attestation/attestation_constants.h"
 #include "chromeos/attestation/attestation_flow.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 namespace chromeos {
 namespace attestation {
 
 // This class is a ServerProxy implementation for the Chrome OS attestation
 // flow.  It sends all requests to an Attestation CA via HTTPS.
 class AttestationCAClient : public ServerProxy,
                             public net::URLFetcherDelegate {
  public:
   AttestationCAClient();
   ~AttestationCAClient() override;
 
   // chromeos::attestation::ServerProxy:
   void SendEnrollRequest(const std::string& request,
                          const DataCallback& on_response) override;
   void SendCertificateRequest(const std::string& request,
                               const DataCallback& on_response) override;
 
   // net::URLFetcherDelegate:
   void OnURLFetchComplete(const net::URLFetcher* source) override;
 
-  PrivacyCAType GetType() override;
-
  private:
-  PrivacyCAType pca_type_;
-
   typedef std::map<const net::URLFetcher*, DataCallback> FetcherCallbackMap;
 
   // POSTs |request| data to |url| and calls |on_response| with the response
   // data when the fetch is complete.
   void FetchURL(const std::string& url,
                 const std::string& request,
                 const DataCallback& on_response);
 
   // Tracks all URL requests we have started.
   FetcherCallbackMap pending_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(AttestationCAClient);
 };
 
 }  // namespace attestation
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_ATTESTATION_ATTESTATION_CA_CLIENT_H_