[BlobStorage] Enabling disk paging and direct storage.

storage/browser/blob/blob_storage_context.h

 // Copyright (c) 2013 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 STORAGE_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_
 #define STORAGE_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 112 matching lines @@
   const BlobMemoryController& memory_controller() { return memory_controller_; }
 
   base::WeakPtr<BlobStorageContext> AsWeakPtr() {
     return ptr_factory_.GetWeakPtr();
   }
 
  protected:
   friend class content::BlobDispatcherHost;
   friend class content::BlobDispatcherHostTest;
   friend class content::BlobStorageBrowserTest;
+  friend class content::ChromeBlobStorageContext;
   friend class BlobTransportHost;
   friend class BlobTransportHostTest;
   friend class BlobDataHandle;
   friend class BlobDataHandle::BlobDataHandleShared;
   friend class BlobFlattenerTest;
   friend class BlobSliceTest;
   friend class BlobStorageContextTest;
 
   enum class TransportQuotaType { MEMORY, FILE };
 
@@ skipping 122 matching lines @@
   BlobStorageRegistry registry_;
   BlobMemoryController memory_controller_;
   base::WeakPtrFactory<BlobStorageContext> ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobStorageContext);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_BLOB_BLOB_STORAGE_CONTEXT_H_