PaymentApp: Implement GetAllManifests() in PaymentAppContext.

content/browser/storage_partition_impl.h

 // Copyright (c) 2012 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_STORAGE_PARTITION_IMPL_H_
 #define CONTENT_BROWSER_STORAGE_PARTITION_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 101 matching lines @@
 
   // Called by each renderer process once.
   void Bind(mojo::InterfaceRequest<mojom::StoragePartitionService> request);
 
   struct DataDeletionHelper;
   struct QuotaManagedDataDeletionHelper;
 
  private:
   friend class BackgroundSyncManagerTest;
   friend class BackgroundSyncServiceImplTest;
-  friend class PaymentAppManagerTest;
+  friend class PaymentAppContentUnitTestBase;
   friend class StoragePartitionImplMap;
   FRIEND_TEST_ALL_PREFIXES(StoragePartitionShaderClearTest, ClearShaderCache);
   FRIEND_TEST_ALL_PREFIXES(StoragePartitionImplTest,
                            RemoveQuotaManagedDataForeverBoth);
   FRIEND_TEST_ALL_PREFIXES(StoragePartitionImplTest,
                            RemoveQuotaManagedDataForeverOnlyTemporary);
   FRIEND_TEST_ALL_PREFIXES(StoragePartitionImplTest,
                            RemoveQuotaManagedDataForeverOnlyPersistent);
   FRIEND_TEST_ALL_PREFIXES(StoragePartitionImplTest,
                            RemoveQuotaManagedDataForeverNeither);
@@ skipping 102 matching lines @@
   // StoragePartitionImplMap which then owns StoragePartitionImpl. When the
   // BrowserContext is destroyed, |this| will be destroyed too.
   BrowserContext* browser_context_;
 
   DISALLOW_COPY_AND_ASSIGN(StoragePartitionImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_STORAGE_PARTITION_IMPL_H_