Require explicit selection of traits for LazyInstance

content/child/blob_storage/blob_transport_controller.h

 // Copyright 2015 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_CHILD_BLOB_STORAGE_BLOB_TRANSPORT_CONTROLLER_H_
 #define CONTENT_CHILD_BLOB_STORAGE_BLOB_TRANSPORT_CONTROLLER_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/shared_memory_handle.h"
 #include "base/memory/weak_ptr.h"
 #include "base/optional.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_platform_file.h"
 #include "storage/common/blob_storage/blob_storage_constants.h"
 
 namespace base {
 template <typename T>
-struct DefaultLazyInstanceTraits;
+struct LazyInstanceTraitsBase;
 class SingleThreadTaskRunner;
 class TaskRunner;
 }
 
 namespace storage {
 class DataElement;
 struct BlobItemBytesRequest;
 struct BlobItemBytesResponse;
 }
 
@@ skipping 53 matching lines @@
   bool IsTransporting(const std::string& uuid) {
     return blob_storage_.find(uuid) != blob_storage_.end();
   }
 
   // Invalidates all asynchronously running memory request handlers and clears
   // the internal state. If our map wasn't previously empty, then we call
   // ChildProcess::ReleaseProcess to release our previous reference.
   void CancelAllBlobTransfers();
 
  private:
-  friend struct base::DefaultLazyInstanceTraits<BlobTransportController>;
+  friend struct base::LazyInstanceTraitsBase<BlobTransportController>;
   friend class BlobTransportControllerTest;
   FRIEND_TEST_ALL_PREFIXES(BlobTransportControllerTest, Descriptions);
   FRIEND_TEST_ALL_PREFIXES(BlobTransportControllerTest, Responses);
   FRIEND_TEST_ALL_PREFIXES(BlobTransportControllerTest, SharedMemory);
   FRIEND_TEST_ALL_PREFIXES(BlobTransportControllerTest, Disk);
   FRIEND_TEST_ALL_PREFIXES(BlobTransportControllerTest, ResponsesErrors);
 
   enum class ResponsesStatus {
     BLOB_NOT_FOUND,
     SHARED_MEMORY_MAP_FAILED,
@@ skipping 24 matching lines @@
 
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner_;
   std::map<std::string, scoped_refptr<BlobConsolidation>> blob_storage_;
   base::WeakPtrFactory<BlobTransportController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BlobTransportController);
 };
 
 }  // namespace content
 #endif  // CONTENT_CHILD_BLOB_STORAGE_BLOB_TRANSPORT_CONTROLLER_H_