Unconditionally send Chrome and Chrome Frame events through ETW machinery.

chrome/common/logging_chrome.cc

 // 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.
 
 #include "build/build_config.h"
 
 // Need to include this before most other files because it defines
 // IPC_MESSAGE_LOG_ENABLED. We need to use it to define
 // IPC_MESSAGE_MACROS_LOG_ENABLED so render_messages.h will generate the
 // ViewMsgLog et al. functions.
@@ skipping 351 matching lines @@
     if (base::StringToInt(log_level, &level) &&
         level >= 0 && level < LOG_NUM_SEVERITIES) {
       logging::SetMinLogLevel(level);
     } else {
       DLOG(WARNING) << "Bad log level: " << log_level;
     }
   }
 
 #if defined(OS_WIN)
   // Enable trace control and transport through event tracing for Windows.
-  if (env->HasVar(env_vars::kEtwLogging))
-    logging::LogEventProvider::Initialize(kChromeTraceProviderName);
+  logging::LogEventProvider::Initialize(kChromeTraceProviderName);
 #endif
 
 #ifdef NDEBUG
   if (command_line.HasSwitch(switches::kSilentDumpOnDCHECK) &&
       command_line.HasSwitch(switches::kEnableDCHECK)) {
 #if defined(OS_WIN)
     logging::SetLogReportHandler(DumpProcessAssertHandler);
 #endif
   }
 #endif  // NDEBUG
@@ skipping 83 matching lines @@
 #endif
 }
 
 #if defined(USE_LINUX_BREAKPAD) || defined(OS_MACOSX)
 void SetDumpWithoutCrashingFunction(void (*function)()) {
   dump_without_crashing_function_ = function;
 }
 #endif
 
 }  // namespace logging