Log histograms on shutdown when verbose logging is on

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 22 matching lines @@
 #include <string>  // NOLINT
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/debugger.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/environment.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
+#include "base/metrics/statistics_recorder.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/env_vars.h"
@@ skipping 300 matching lines @@
     } else {
       DLOG(WARNING) << "Bad log level: " << log_level;
     }
   }
 
 #if defined(OS_WIN)
   // Enable trace control and transport through event tracing for Windows.
   logging::LogEventProvider::Initialize(kChromeTraceProviderName);
 #endif
 
+  base::StatisticsRecorder::InitLogOnShutdown();
+
   chrome_logging_initialized_ = true;
 }
 
 // This is a no-op, but we'll keep it around in case
 // we need to do more cleanup in the future.
 void CleanupChromeLogging() {
   if (chrome_logging_failed_)
     return;  // We failed to initiailize logging, no cleanup.
 
   DCHECK(chrome_logging_initialized_) <<
@@ skipping 34 matching lines @@
                                           time_deets.year,
                                           time_deets.month,
                                           time_deets.day_of_month,
                                           time_deets.hour,
                                           time_deets.minute,
                                           time_deets.second);
   return base_path.InsertBeforeExtensionASCII(suffix);
 }
 
 }  // namespace logging