Convert //base to use std::unique_ptr

base/trace_event/memory_allocator_dump.h

Index: base/trace_event/memory_allocator_dump.h
diff --git a/base/trace_event/memory_allocator_dump.h b/base/trace_event/memory_allocator_dump.h
index 9f91de953359baace1e9177e697c98a845fa9f0f..7d1023606bde52d9f2b5e3ec20f299af6466eccf 100644
--- a/base/trace_event/memory_allocator_dump.h
+++ b/base/trace_event/memory_allocator_dump.h
@@ -7,12 +7,12 @@
 
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 
 #include "base/base_export.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/trace_event/memory_allocator_dump_guid.h"
 #include "base/values.h"
 
@@ -93,7 +93,7 @@ class BASE_EXPORT MemoryAllocatorDump {
  private:
   const std::string absolute_name_;
   ProcessMemoryDump* const process_memory_dump_;  // Not owned (PMD owns this).
-  scoped_ptr<TracedValue> attributes_;
+  std::unique_ptr<TracedValue> attributes_;
   MemoryAllocatorDumpGuid guid_;
   int flags_;  // See enum Flags.