Implementation for chrome.certificateProvider.requestPin/stopPinRequest

chrome/browser/chromeos/certificate_provider/sign_requests.h

 // Copyright 2015 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_CERTIFICATE_PROVIDER_SIGN_REQUESTS_H_
 #define CHROME_BROWSER_CHROMEOS_CERTIFICATE_PROVIDER_SIGN_REQUESTS_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 29 matching lines @@
  private:
   // Holds state of all sign requests to a single extension.
   struct RequestsState {
     RequestsState();
     RequestsState(const RequestsState& other);
     ~RequestsState();
 
     // Maps from request id to the SignCallback that must be called with the
     // signature or error.
     std::map<int, net::SSLPrivateKey::SignCallback> pending_requests;
-
-    // The request id that will be used for the next sign request to this
-    // extension.
-    int next_free_id = 0;
   };
 
   // Contains the state of all sign requests per extension.
   std::map<std::string, RequestsState> extension_to_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(SignRequests);
 };
 
 }  // namespace certificate_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_CERTIFICATE_PROVIDER_SIGN_REQUESTS_H_