Convert //base to use std::unique_ptr

base/trace_event/malloc_dump_provider.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_MALLOC_DUMP_PROVIDER_H_
 #define BASE_TRACE_EVENT_MALLOC_DUMP_PROVIDER_H_
 
 #include <istream>
+#include <memory>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/platform_thread.h"
 #include "base/trace_event/memory_dump_provider.h"
 #include "build/build_config.h"
 
 #if defined(OS_LINUX) || defined(OS_ANDROID) || \
     (defined(OS_MACOSX) && !defined(OS_IOS))
 #define MALLOC_MEMORY_TRACING_SUPPORTED
 #endif
@@ skipping 23 matching lines @@
   void RemoveAllocation(void* address);
 
  private:
   friend struct DefaultSingletonTraits<MallocDumpProvider>;
 
   MallocDumpProvider();
   ~MallocDumpProvider() override;
 
   // For heap profiling.
   bool heap_profiler_enabled_;
-  scoped_ptr<AllocationRegister> allocation_register_;
+  std::unique_ptr<AllocationRegister> allocation_register_;
   Lock allocation_register_lock_;
 
   // When in OnMemoryDump(), this contains the current thread ID.
   // This is to prevent re-entrancy in the heap profiler when the heap dump
   // generation is malloc/new-ing for its own bookeeping data structures.
   PlatformThreadId tid_dumping_heap_;
 
   DISALLOW_COPY_AND_ASSIGN(MallocDumpProvider);
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_MALLOC_DUMP_PROVIDER_H_