Hook up BackgroundFetchServiceImpl::Fetch() to start a fetch

content/browser/background_fetch/background_fetch_embedded_worker_test_helper.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_EMBEDDED_WORKER_TEST_HELPER_H_
 #define CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_EMBEDDED_WORKER_TEST_HELPER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 14 matching lines @@
 // always be kept in memory, as data persistence is tested elsewhere.
 class BackgroundFetchEmbeddedWorkerTestHelper
     : public EmbeddedWorkerTestHelper {
  public:
   BackgroundFetchEmbeddedWorkerTestHelper();
   ~BackgroundFetchEmbeddedWorkerTestHelper() override;
 
   // Toggles whether the named Service Worker event should fail.
   void set_fail_abort_event(bool fail) { fail_abort_event_ = fail; }
   void set_fail_click_event(bool fail) { fail_click_event_ = fail; }
-  void set_fail_fail_event(bool fail) { fail_fail_event_ = fail; }
+  void set_fail_fetch_fail_event(bool fail) { fail_fetch_fail_event_ = fail; }
   void set_fail_fetched_event(bool fail) { fail_fetched_event_ = fail; }
 
   const base::Optional<std::string>& last_tag() const { return last_tag_; }
   const base::Optional<mojom::BackgroundFetchState>& last_state() const {
     return last_state_;
   }
   const base::Optional<std::vector<BackgroundFetchSettledFetch>> last_fetches()
       const {
     return last_fetches_;
   }
@@ skipping 16 matching lines @@
           DispatchBackgroundFetchFailEventCallback& callback) override;
   void OnBackgroundFetchedEvent(
       const std::string& tag,
       const std::vector<BackgroundFetchSettledFetch>& fetches,
       const mojom::ServiceWorkerEventDispatcher::
           DispatchBackgroundFetchedEventCallback& callback) override;
 
  private:
   bool fail_abort_event_ = false;
   bool fail_click_event_ = false;
-  bool fail_fail_event_ = false;
+  bool fail_fetch_fail_event_ = false;
   bool fail_fetched_event_ = false;
 
   base::Optional<std::string> last_tag_;
   base::Optional<mojom::BackgroundFetchState> last_state_;
   base::Optional<std::vector<BackgroundFetchSettledFetch>> last_fetches_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundFetchEmbeddedWorkerTestHelper);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BACKGROUND_FETCH_BACKGROUND_FETCH_EMBEDDED_WORKER_TEST_HELPER_H_