tracing: Make ConvertableToTraceFormat move-only scoped_ptr

base/trace_event/heap_profiler_type_name_deduplicator.h

Index: base/trace_event/heap_profiler_type_name_deduplicator.h
diff --git a/base/trace_event/heap_profiler_type_name_deduplicator.h b/base/trace_event/heap_profiler_type_name_deduplicator.h
index 317ea5ee1e315e7da1b53ac62f0afe6d951e46ab..2d26c73488ef59b7e7ce8502914a54984d4666f7 100644
--- a/base/trace_event/heap_profiler_type_name_deduplicator.h
+++ b/base/trace_event/heap_profiler_type_name_deduplicator.h
@@ -21,19 +21,18 @@ class TraceEventMemoryOverhead;
 class BASE_EXPORT TypeNameDeduplicator : public ConvertableToTraceFormat {
  public:
   TypeNameDeduplicator();
+  ~TypeNameDeduplicator() override;
 
   // Inserts a type name and returns its ID.
   int Insert(const char* type_name);
 
+  // Writes the type ID -> type name mapping to the trace log.
+  void AppendAsTraceFormat(std::string* out) const override;
+
   // Estimates memory overhead including |sizeof(TypeNameDeduplicator)|.
   void EstimateTraceMemoryOverhead(TraceEventMemoryOverhead* overhead) override;
 
  private:
-  ~TypeNameDeduplicator() override;
-
-  // Writes the type ID -> type name mapping to the trace log.
-  void AppendAsTraceFormat(std::string* out) const override;
-
   // Map from type name to type ID.
   std::map<const char*, int> type_ids_;