Removing useless Win7 checks + standardize its use

chrome/browser/password_manager/password_manager_util_win.cc

Index: chrome/browser/password_manager/password_manager_util_win.cc
diff --git a/chrome/browser/password_manager/password_manager_util_win.cc b/chrome/browser/password_manager/password_manager_util_win.cc
index 01dd5c2821f1ed2eb44a2f58d0efe2d5ef172637..c883e8f9340726bd90d83a1e470bd2fe98fa06fb 100644
--- a/chrome/browser/password_manager/password_manager_util_win.cc
+++ b/chrome/browser/password_manager/password_manager_util_win.cc
@@ -25,7 +25,6 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/task_scheduler/post_task.h"
 #include "base/time/time.h"
-#include "base/win/windows_version.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/grit/chromium_strings.h"
 #include "components/password_manager/core/browser/password_manager.h"
@@ -178,10 +177,7 @@ void GetOsPasswordStatusInternal(PasswordCheckPrefs* prefs,
     *status = PASSWORD_STATUS_WIN_DOMAIN;
   } else {
     username_length = CREDUI_MAX_USERNAME_LENGTH;
-    // CheckBlankPasswordWithPrefs() isn't safe to call on before Windows 7.
-    // http://crbug.com/345916
-    if (base::win::GetVersion() >= base::win::VERSION_WIN7 &&
-        GetUserName(username, &username_length)) {
+    if (GetUserName(username, &username_length)) {
       *status = CheckBlankPasswordWithPrefs(username, prefs) ?
           PASSWORD_STATUS_BLANK :
           PASSWORD_STATUS_NONBLANK;