Convert //base to use std::unique_ptr

base/trace_event/trace_buffer.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_TRACE_BUFFER_H_
 #define BASE_TRACE_EVENT_TRACE_BUFFER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 31 matching lines @@
   void EstimateTraceMemoryOverhead(TraceEventMemoryOverhead* overhead);
 
   // These values must be kept consistent with the numbers of bits of
   // chunk_index and event_index fields in TraceEventHandle
   // (in trace_event_impl.h).
   static const size_t kMaxChunkIndex = (1u << 26) - 1;
   static const size_t kTraceBufferChunkSize = 64;
 
  private:
   size_t next_free_;
-  scoped_ptr<TraceEventMemoryOverhead> cached_overhead_estimate_;
+  std::unique_ptr<TraceEventMemoryOverhead> cached_overhead_estimate_;
   TraceEvent chunk_[kTraceBufferChunkSize];
   uint32_t seq_;
 };
 
 // TraceBuffer holds the events as they are collected.
 class BASE_EXPORT TraceBuffer {
  public:
   virtual ~TraceBuffer() {}
 
-  virtual scoped_ptr<TraceBufferChunk> GetChunk(size_t* index) = 0;
+  virtual std::unique_ptr<TraceBufferChunk> GetChunk(size_t* index) = 0;
   virtual void ReturnChunk(size_t index,
-                           scoped_ptr<TraceBufferChunk> chunk) = 0;
+                           std::unique_ptr<TraceBufferChunk> chunk) = 0;
 
   virtual bool IsFull() const = 0;
   virtual size_t Size() const = 0;
   virtual size_t Capacity() const = 0;
   virtual TraceEvent* GetEventByHandle(TraceEventHandle handle) = 0;
 
   // For iteration. Each TraceBuffer can only be iterated once.
   virtual const TraceBufferChunk* NextChunk() = 0;
 
 
@@ skipping 46 matching lines @@
 
  private:
   OutputCallback output_callback_;
   bool append_comma_;
 };
 
 }  // namespace trace_event
 }  // namespace base
 
 #endif  // BASE_TRACE_EVENT_TRACE_BUFFER_H_