Make ChromeOSVersionInfo singleton leaky to avoid startup thread restriction DCHECK

base/sys_info_chromeos.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 "base/sys_info.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/environment.h"
@@ skipping 145 matching lines @@
   }
 
   Time lsb_release_time_;
   SysInfo::LsbReleaseMap lsb_release_map_;
   int32_t major_version_;
   int32_t minor_version_;
   int32_t bugfix_version_;
   bool is_running_on_chromeos_;
 };
 
-static LazyInstance<ChromeOSVersionInfo>
+static LazyInstance<ChromeOSVersionInfo>::Leaky
     g_chrome_os_version_info = LAZY_INSTANCE_INITIALIZER;
 
 ChromeOSVersionInfo& GetChromeOSVersionInfo() {
   return g_chrome_os_version_info.Get();
 }
 
 }  // namespace
 
 // static
 void SysInfo::OperatingSystemVersionNumbers(int32_t* major_version,
@@ skipping 36 matching lines @@
 void SysInfo::SetChromeOSVersionInfoForTest(const std::string& lsb_release,
                                             const Time& lsb_release_time) {
   std::unique_ptr<Environment> env(Environment::Create());
   env->SetVar(kLsbReleaseKey, lsb_release);
   env->SetVar(kLsbReleaseTimeKey,
               DoubleToString(lsb_release_time.ToDoubleT()));
   g_chrome_os_version_info.Get().Parse();
 }
 
 }  // namespace base