Some minor fixes for Background Fetch

content/browser/background_fetch/background_fetch_context.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 CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_CONTEXT_H_
 #define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_CONTEXT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 33 matching lines @@
 class CONTENT_EXPORT BackgroundFetchContext
     : public base::RefCountedThreadSafe<BackgroundFetchContext,
                                         BrowserThread::DeleteOnUIThread> {
  public:
   // The BackgroundFetchContext will watch the ServiceWorkerContextWrapper so
   // that it can respond to service worker events such as unregister.
   BackgroundFetchContext(BrowserContext* browser_context,
                          StoragePartitionImpl* storage_partition,
                          scoped_refptr<ServiceWorkerContextWrapper> context);
 
+  // Finishes initializing the Background Fetch context on the IO thread by
+  // setting the |request_context_getter|.
+  void InitializeOnIOThread(
+      scoped_refptr<net::URLRequestContextGetter> request_context_getter);
+
   // Shutdown must be called before deleting this. Call on the UI thread.
   void Shutdown();
 
   // Starts a Background Fetch for the |registration_id|. The |requests| will be
   // asynchronously fetched. The |callback| will be invoked when the fetch has
   // been registered, or an error occurred that avoids it from doing so.
   void StartFetch(
       const BackgroundFetchRegistrationId& registration_id,
       const std::vector<ServiceWorkerFetchRequest>& requests,
       const BackgroundFetchOptions& options,
@@ skipping 49 matching lines @@
 
   // Called when all processing for the |registration_id| has been finished and
   // the job, including its associated data, is ready to be deleted.
   void DeleteRegistration(
       const BackgroundFetchRegistrationId& registration_id,
       const std::vector<std::unique_ptr<BlobHandle>>& blob_handles);
 
   // |this| is owned, indirectly, by the BrowserContext.
   BrowserContext* browser_context_;
 
-  scoped_refptr<net::URLRequestContextGetter> request_context_;
+  scoped_refptr<net::URLRequestContextGetter> request_context_getter_;
 
   std::unique_ptr<BackgroundFetchDataManager> data_manager_;
   std::unique_ptr<BackgroundFetchEventDispatcher> event_dispatcher_;
 
   // Map of the Background Fetch fetches that are currently in-progress.
   std::map<BackgroundFetchRegistrationId,
            std::unique_ptr<BackgroundFetchJobController>>
       active_fetches_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundFetchContext);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_CONTEXT_H_