Repaint windows on screen unlock.

chrome/browser/idle_win.cc

 // Copyright (c) 2011 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/idle.h"
 
 #include <limits.h>
 #include <windows.h>
 
+#include "ui/base/win/lock_state.h"
+
 namespace {
 
 DWORD CalculateIdleTimeInternal() {
   LASTINPUTINFO last_input_info = {0};
   last_input_info.cbSize = sizeof(LASTINPUTINFO);
   DWORD current_idle_time = 0;
   if (::GetLastInputInfo(&last_input_info)) {
     DWORD now = ::GetTickCount();
     if (now < last_input_info.dwTime) {
       // GetTickCount() wraps around every 49.7 days -- assume it wrapped just
@@ skipping 14 matching lines @@
   return current_idle_time;
 }
 
 bool IsScreensaverRunning() {
   DWORD result = 0;
   if (::SystemParametersInfo(SPI_GETSCREENSAVERRUNNING, 0, &result, 0))
     return result != FALSE;
   return false;
 }
 
-bool IsWorkstationLocked() {
-  bool is_locked = true;
-  HDESK input_desk = ::OpenInputDesktop(0, 0, GENERIC_READ);
-  if (input_desk)  {
-    wchar_t name[256] = {0};
-    DWORD needed = 0;
-    if (::GetUserObjectInformation(input_desk,
-      UOI_NAME,
-      name,
-      sizeof(name),
-      &needed)) {
-        is_locked = lstrcmpi(name, L"default") != 0;
-    }
-    ::CloseDesktop(input_desk);
-  }
-  return is_locked;
-}
-
 }  // namespace
 
 void CalculateIdleTime(IdleTimeCallback notify) {
   notify.Run(static_cast<int>(CalculateIdleTimeInternal()));
 }
 
 bool CheckIdleStateIsLocked() {
-  return IsWorkstationLocked() || IsScreensaverRunning();
+  return ui::IsWorkstationLocked() || IsScreensaverRunning();
 }