Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/tracing/etw_system_event_consumer_win.h

Index: content/browser/tracing/etw_system_event_consumer_win.h
diff --git a/content/browser/tracing/etw_system_event_consumer_win.h b/content/browser/tracing/etw_system_event_consumer_win.h
index f14a37e623e13dc99a5d526f59d8952fc00a9f7e..35d7d4c1c3d2fecb0b29ec688a6115f8e69f85f4 100644
--- a/content/browser/tracing/etw_system_event_consumer_win.h
+++ b/content/browser/tracing/etw_system_event_consumer_win.h
@@ -5,10 +5,11 @@
 #ifndef CONTENT_BROWSER_TRACING_ETW_SYSTEM_EVENT_CONSUMER_WIN_H_
 #define CONTENT_BROWSER_TRACING_ETW_SYSTEM_EVENT_CONSUMER_WIN_H_
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted_memory.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/threading/thread.h"
 #include "base/trace_event/tracing_agent.h"
 #include "base/values.h"
@@ -69,7 +70,7 @@ class EtwSystemEventConsumer
   void TraceAndConsumeOnThread();
   void FlushOnThread(const StopAgentTracingCallback& callback);
 
-  scoped_ptr<base::ListValue> events_;
+  std::unique_ptr<base::ListValue> events_;
   base::Thread thread_;
   TRACEHANDLE session_handle_;
   base::win::EtwTraceProperties properties_;