Move Windows-specific Event Tracing for Windows implementation to base/win. ...

base/logging_win.cc

 // Copyright (c) 2009 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.
 
 #include "base/logging_win.h"
 #include "base/singleton.h"
 #include <initguid.h>  // NOLINT
 
 namespace {
 
 typedef StaticMemorySingletonTraits<logging::LogEventProvider>
     LogEventSingletonTraits;
 Singleton<logging::LogEventProvider, LogEventSingletonTraits> log_provider;
 
 }  // namespace
 
 namespace logging {
 
+using base::win::EtwEventLevel;
+using base::win::EtwMofEvent;
+
 DEFINE_GUID(kLogEventId,
     0x7fe69228, 0x633e, 0x4f06, 0x80, 0xc1, 0x52, 0x7f, 0xea, 0x23, 0xe3, 0xa7);
 
 LogEventProvider::LogEventProvider() : old_log_level_(LOG_NONE) {
 }
 
 bool LogEventProvider::LogMessage(logging::LogSeverity severity,
     const char* file, int line, size_t message_start,
     const std::string& message) {
   EtwEventLevel level = TRACE_LEVEL_NONE;
@@ skipping 101 matching lines @@
     SetMinLogLevel(TRACE_LEVEL_INFORMATION - level);
   }
 }
 
 void LogEventProvider::OnEventsDisabled() {
   // Restore the old log level.
   SetMinLogLevel(old_log_level_);
 }
 
 }  // namespace logging