[GCM] Remove the requirement for manifest key

google_apis/gcm/engine/registration_request.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 GOOGLE_APIS_GCM_ENGINE_REGISTRATION_REQUEST_H_
 #define GOOGLE_APIS_GCM_ENGINE_REGISTRATION_REQUEST_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 44 matching lines @@
                               const std::string& registration_id)>
       RegistrationCallback;
 
   // Details of the of the Registration Request. Only user's android ID and
   // its serial number are optional and can be set to 0. All other parameters
   // have to be specified to successfully complete the call.
   struct GCM_EXPORT RequestInfo {
     RequestInfo(uint64 android_id,
                 uint64 security_token,
                 const std::string& app_id,
-                const std::string& cert,
                 const std::vector<std::string>& sender_ids);
     ~RequestInfo();
 
     // Android ID of the device.
     uint64 android_id;
     // Security token of the device.
     uint64 security_token;
     // Application ID.
     std::string app_id;
     // Certificate of the application.
@@ skipping 33 matching lines @@
   int retries_left_;
 
   base::WeakPtrFactory<RegistrationRequest> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RegistrationRequest);
 };
 
 }  // namespace gcm
 
 #endif  // GOOGLE_APIS_GCM_ENGINE_REGISTRATION_REQUEST_H_