Temporarily disable adding already attached removable devices to system monitor.

chrome/browser/system_monitor/volume_mount_watcher_win.cc

Index: chrome/browser/system_monitor/volume_mount_watcher_win.cc
diff --git a/chrome/browser/system_monitor/volume_mount_watcher_win.cc b/chrome/browser/system_monitor/volume_mount_watcher_win.cc
index 7ecc9917fa8b358a25e2021f8b1dd2f6942efc0d..94c13ccb70a60e17b979cc2640425a2b9d628b61 100644
--- a/chrome/browser/system_monitor/volume_mount_watcher_win.cc
+++ b/chrome/browser/system_monitor/volume_mount_watcher_win.cc
@@ -106,8 +106,11 @@ void VolumeMountWatcherWin::Init() {
   // When VolumeMountWatcherWin is created, the message pumps are not running
   // so a posted task from the constructor would never run. Therefore, do all
   // the initializations here.
-  BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, base::Bind(
-      &VolumeMountWatcherWin::AddExistingDevicesOnFileThread, this));
+  //
+  // This should call AddExistingDevicesOnFileThread. The call is disabled
+  // until a fix for http://crbug.com/155910 can land.
+  // BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE, base::Bind(
+  //     &VolumeMountWatcherWin::AddExistingDevicesOnFileThread, this));
 }
 
 bool VolumeMountWatcherWin::GetDeviceInfo(const FilePath& device_path,