[StorageMonitor] Move StorageMonitor ownership to BrowserProcessImpl

chrome/browser/chrome_browser_main_linux.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 "chrome/browser/chrome_browser_main_linux.h"
 
 #include <stdlib.h>
 
 #include "base/command_line.h"
 #include "base/linux_util.h"
@@ skipping 100 matching lines @@
   // Needs to be called after we have chrome::DIR_USER_DATA and
   // g_browser_process.  This happens in PreCreateThreads.
   content::BrowserThread::PostTask(content::BrowserThread::FILE,
                                    FROM_HERE,
                                    base::Bind(&GetLinuxDistroCallback));
 #endif
 
   if (IsCrashReportingEnabled(local_state()))
     InitCrashReporter();
 
-#if !defined(OS_CHROMEOS)
-  const base::FilePath kDefaultMtabPath("/etc/mtab");
-  storage_monitor_.reset(new chrome::StorageMonitorLinux(kDefaultMtabPath));
-#endif
-
   ChromeBrowserMainPartsPosix::PreProfileInit();
 }
 
 void ChromeBrowserMainPartsLinux::PostProfileInit() {
   ChromeBrowserMainPartsPosix::PostProfileInit();
 
   g_browser_process->metrics_service()->RecordBreakpadRegistration(
       IsCrashReporterEnabled());
 }
-
-void ChromeBrowserMainPartsLinux::PostMainMessageLoopRun() {
-  ChromeBrowserMainPartsPosix::PostMainMessageLoopRun();
-
-#if !defined(OS_CHROMEOS)
-  // Delete it now. Otherwise the FILE thread would be gone when we try to
-  // release it in the dtor and Valgrind would report a leak on almost every
-  // single browser_test.
-  storage_monitor_.reset();
-#endif
-}