[Offline Prefetch] Pass api key to offline prefetch requests

components/offline_pages/core/prefetch/get_operation_request.h

 // Copyright 2017 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 COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_GET_OPERATION_REQUEST_H_
 #define COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_GET_OPERATION_REQUEST_H_
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "components/offline_pages/core/prefetch/prefetch_types.h"
+#include "components/version_info/channel.h"
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace offline_pages {
 
 class PrefetchRequestFetcher;
 
 // Sends this request to find out the current state of an operation that is
 // triggered by GeneratePageBundleRequest but not finished at that time.
 class GetOperationRequest {
  public:
   // |name| identifies the operation triggered by the GeneratePageBundleRequest.
   // It is retrieved from the operation data returned in the
   // GeneratePageBundleRequest response.
   GetOperationRequest(const std::string& name,
+                      version_info::Channel channel,
                       net::URLRequestContextGetter* request_context_getter,
                       const PrefetchRequestFinishedCallback& callback);
   ~GetOperationRequest();
 
  private:
   void OnCompleted(PrefetchRequestStatus status, const std::string& data);
 
   PrefetchRequestFinishedCallback callback_;
   std::unique_ptr<PrefetchRequestFetcher> fetcher_;
 
   DISALLOW_COPY_AND_ASSIGN(GetOperationRequest);
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_CORE_PREFETCH_GET_OPERATION_REQUEST_H_