Implements Windows system tracing.

base/win/event_trace_consumer.h

 // Copyright (c) 2012 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.
 //
 // Declaration of a Windows event trace consumer base class.
 #ifndef BASE_WIN_EVENT_TRACE_CONSUMER_H_
 #define BASE_WIN_EVENT_TRACE_CONSUMER_H_
 
 #include <windows.h>
 #include <wmistr.h>
 #include <evntrace.h>
 #include <vector>
 #include "base/basictypes.h"
 
 namespace base {
 namespace win {
 
 // This class is a base class that makes it easier to consume events
-// from realtime or file sessions. Concrete consumers need to sublass
+// from realtime or file sessions. Concrete consumers need to subclass
 // a specialization of this class and override the ProcessEvent and/or
 // the ProcessBuffer methods to implement the event consumption logic.
 // Usage might look like:
 // class MyConsumer: public EtwTraceConsumerBase<MyConsumer, 1> {
 //  protected:
 //    static VOID WINAPI ProcessEvent(PEVENT_TRACE event);
 // };
 //
 // MyConsumer consumer;
 // consumer.OpenFileSession(file_path);
@@ skipping 109 matching lines @@
   }
   trace_handles_.clear();
 
   return hr;
 }
 
 }  // namespace win
 }  // namespace base
 
 #endif  // BASE_WIN_EVENT_TRACE_CONSUMER_H_