[GCM] API update to allow only a single sender in registration

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>
-
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "google_apis/gcm/base/gcm_export.h"
 #include "net/base/backoff_entry.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 namespace net {
@@ skipping 35 matching lines @@
       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);
+                const std::string& sender_id);
     ~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.
     std::string cert;
-    // List of IDs of senders. Allowed up to 100.
-    std::vector<std::string> sender_ids;
+    // A sender ID the registration is for.
+    std::string sender_id;
   };
 
   RegistrationRequest(
       const RequestInfo& request_info,
       const net::BackoffEntry::Policy& backoff_policy,
       const RegistrationCallback& callback,
       int max_retry_count,
       scoped_refptr<net::URLRequestContextGetter> request_context_getter);
   virtual ~RegistrationRequest();
 
@@ skipping 20 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_