Hook up the other Background Fetch Mojo methods with the system

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>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_thread.h"
 #include "third_party/WebKit/public/platform/modules/background_fetch/background_fetch.mojom.h"
 
+namespace url {
+class Origin;
+}
+
 namespace content {
 
 class BackgroundFetchDataManager;
 class BackgroundFetchJobController;
 struct BackgroundFetchOptions;
 class BackgroundFetchRegistrationId;
 class BrowserContext;
 class ServiceWorkerContextWrapper;
 struct ServiceWorkerFetchRequest;
 class StoragePartitionImpl;
@@ skipping 18 matching lines @@
 
   // 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,
       const blink::mojom::BackgroundFetchService::FetchCallback& callback);
 
+  // Returns a vector with the tags of the active fetches for the given |origin|
+  // and |service_worker_registration_id|.
+  std::vector<std::string> GetActiveTagsForServiceWorkerRegistration(
+      int64_t service_worker_registration_id,
+      const url::Origin& origin) const;
+
+  // Returns the JobController that is handling the |registration_id|, or a
+  // nullptr if it does not exist. Must be immediately used by the caller.
+  BackgroundFetchJobController* GetActiveFetch(
+      const BackgroundFetchRegistrationId& registration_id) const;
+
  private:
   friend class base::DeleteHelper<BackgroundFetchContext>;
   friend struct BrowserThread::DeleteOnThread<BrowserThread::UI>;
   friend class base::RefCountedThreadSafe<BackgroundFetchContext,
                                           BrowserThread::DeleteOnUIThread>;
 
   ~BackgroundFetchContext();
 
   // Shuts down the active Job Controllers on the IO thread.
   void ShutdownOnIO();
 
   // Creates a new Job Controller for the given |registration_id| and |options|,
   // which will start fetching the files that are part of the registration.
   void CreateController(const BackgroundFetchRegistrationId& registration_id,
                         const BackgroundFetchOptions& options);
 
   // Called when a new registration has been created by the data manager.
   void DidCreateRegistration(
       const BackgroundFetchRegistrationId& registration_id,
       const BackgroundFetchOptions& options,
       const blink::mojom::BackgroundFetchService::FetchCallback& callback,
       blink::mojom::BackgroundFetchError error);
 
   // Called when a Job Controller has finished processing a Background Fetch
-  // registration, as identified by |registration_id|.
-  void DidFinishFetch(const BackgroundFetchRegistrationId& registration_id);
+  // registration, as identified by |registration_id|. |aborted_by_developer|
+  // will be set to true when it finished at the developer's request.
+  void DidFinishFetch(const BackgroundFetchRegistrationId& registration_id,
+                      bool aborted_by_developer);
 
   // |this| is owned by the BrowserContext via the StoragePartitionImpl.
   BrowserContext* browser_context_;
   StoragePartitionImpl* storage_partition_;
 
   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
   std::unique_ptr<BackgroundFetchDataManager> background_fetch_data_manager_;
 
   // 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_