Remove raw base::DictionaryValue::Set in //content

net/log/net_log.h

Index: net/log/net_log.h
diff --git a/net/log/net_log.h b/net/log/net_log.h
index 41e8cc64e83bd3e7a03f25febb754342cfb37fc4..0a10808c53bbc9dad88ac6478e5ddfafe1a210d9 100644
--- a/net/log/net_log.h
+++ b/net/log/net_log.h
@@ -154,15 +154,15 @@ class NET_EXPORT NetLog {
   static const char* EventTypeToString(NetLogEventType event_type);
 
   // Returns a dictionary that maps event type symbolic names to their enum
-  // values.  Caller takes ownership of the returned Value.
-  static base::Value* GetEventTypesAsValue();
+  // values.
+  static std::unique_ptr<base::Value> GetEventTypesAsValue();
 
   // Returns a C-String symbolic name for |source_type|.
   static const char* SourceTypeToString(NetLogSourceType source_type);
 
   // Returns a dictionary that maps source type symbolic names to their enum
-  // values.  Caller takes ownership of the returned Value.
-  static base::Value* GetSourceTypesAsValue();
+  // values.
+  static std::unique_ptr<base::Value> GetSourceTypesAsValue();
 
   // Returns a C-String symbolic name for |event_phase|.
   static const char* EventPhaseToString(NetLogEventPhase event_phase);