Update Windows System Monitor Removable Device Impl.

chrome/browser/system_monitor/media_storage_util.cc

Index: chrome/browser/system_monitor/media_storage_util.cc
diff --git a/chrome/browser/system_monitor/media_storage_util.cc b/chrome/browser/system_monitor/media_storage_util.cc
index 94969b65b4987671808e55104da8223754699537..40dc3b885b84519bbfd00f6268be2e6089069e9d 100644
--- a/chrome/browser/system_monitor/media_storage_util.cc
+++ b/chrome/browser/system_monitor/media_storage_util.cc
@@ -235,7 +235,7 @@ bool MediaStorageUtil::GetDeviceInfoFromPath(const FilePath& path,
 
   bool found_device = false;
   base::SystemMonitor::RemovableStorageInfo device_info;
-#if (defined(OS_LINUX) || defined(OS_MACOSX))
+#if defined(OS_LINUX) || defined(OS_MACOSX) || defined(OS_WIN)
   RemovableDeviceNotifications* notifier =
       RemovableDeviceNotifications::GetInstance();
   found_device = notifier->GetDeviceInfoForPath(path, &device_info);
@@ -262,6 +262,12 @@ bool MediaStorageUtil::GetDeviceInfoFromPath(const FilePath& path,
     return true;
   }
 
+  // On Posix systems, there's one root so any absolute path could be valid.
+#if !defined(OS_POSIX)
+  if (!found_device)
+    return false;
+#endif
+
   if (device_id)
     *device_id = MakeDeviceId(FIXED_MASS_STORAGE, path.AsUTF8Unsafe());
   if (device_name)