Create the BackgroundFetchBatchManager and initiate a download.

content/browser/background_fetch/background_fetch_data_manager_unittest.cc

 // 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.
 
 #include "content/browser/background_fetch/background_fetch_data_manager.h"
 
 #include "base/files/file_path.h"
 #include "content/browser/background_fetch/background_fetch_context.h"
 #include "content/browser/background_fetch/fetch_request.h"
 #include "content/browser/service_worker/embedded_worker_test_helper.h"
@@ skipping 10 matching lines @@
 constexpr int64_t kServiceWorkerRegistrationId = 9001;
 
 }  // namespace
 
 namespace content {
 
 class BackgroundFetchDataManagerTest : public testing::Test {
  protected:
   BackgroundFetchDataManagerTest()
       : helper_(base::FilePath()),
-        background_fetch_context_(
-            new BackgroundFetchContext(&browser_context_,
-                                       helper_.context_wrapper())) {}
+        background_fetch_context_(new BackgroundFetchContext(
+            &browser_context_,
+            BrowserContext::GetDefaultStoragePartition(&browser_context_),
+            helper_.context_wrapper())) {}
 
   BackgroundFetchDataManager* GetDataManager() const {
     return background_fetch_context_->GetDataManagerForTesting();
   }
 
  private:
   TestBrowserThreadBundle browser_thread_bundle_;
   TestBrowserContext browser_context_;
   EmbeddedWorkerTestHelper helper_;
 
   scoped_refptr<BackgroundFetchContext> background_fetch_context_;
 };
 
 TEST_F(BackgroundFetchDataManagerTest, AddRequest) {
   BackgroundFetchDataManager* data_manager = GetDataManager();
   FetchRequest request(url::Origin(GURL(kOrigin)), GURL(kResource),
                        kServiceWorkerRegistrationId, kTag);
 
   data_manager->CreateRequest(request);
 
   // TODO(harkness) There's no output to test yet. Once there is, check that the
   // request was actually added.
 }
 
 }  // namespace content