Use std::default_delete as the default deleter for scoped_ptr.

base/trace_event/memory_dump_manager.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 BASE_TRACE_EVENT_MEMORY_DUMP_MANAGER_H_
 #define BASE_TRACE_EVENT_MEMORY_DUMP_MANAGER_H_
 
+#include <memory>
 #include <set>
 
 #include "base/atomicops.h"
 #include "base/containers/hash_tables.h"
 #include "base/containers/scoped_ptr_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/singleton.h"
 #include "base/synchronization/lock.h"
 #include "base/timer/timer.h"
 #include "base/trace_event/memory_dump_request_args.h"
@@ skipping 99 matching lines @@
   const char* system_allocator_pool_name() const {
     return kSystemAllocatorPoolName;
   };
 
   // When set to true, calling |RegisterMemoryDumpProvider| is a no-op.
   void set_dumper_registrations_ignored_for_testing(bool ignored) {
     dumper_registrations_ignored_for_testing_ = ignored;
   }
 
  private:
-  friend struct DefaultDeleter<MemoryDumpManager>;  // For the testing instance.
+  friend std::default_delete<MemoryDumpManager>;  // For the testing instance.
   friend struct DefaultSingletonTraits<MemoryDumpManager>;
   friend class MemoryDumpManagerDelegate;
   friend class MemoryDumpManagerTest;
 
   // Descriptor struct used to hold information about registered MDPs. It is
   // deliberately copyable, in order to allow it to be used as std::set value.
   struct MemoryDumpProviderInfo {
     MemoryDumpProviderInfo(
         MemoryDumpProvider* dump_provider,
         const char* name,
@@ skipping 163 matching lines @@
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MemoryDumpManagerDelegate);
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_MEMORY_DUMP_MANAGER_H_