win/aura: Remove some more non-aura code for Windows.

chrome/browser/platform_util_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/platform_util.h"
 
 #include <commdlg.h>
 #include <dwmapi.h>
 #include <shellapi.h>
 #include <shlobj.h>
@@ skipping 193 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH &&
       !url.SchemeIsHTTPOrHTTPS())
     chrome::ActivateDesktopHelper(chrome::ASH_KEEP_RUNNING);
 
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
                           base::Bind(&OpenExternalOnFileThread, url));
 }
 
-#if !defined(USE_AURA)
-gfx::NativeWindow GetTopLevel(gfx::NativeView view) {
-  return ::GetAncestor(view, GA_ROOT);
-}
-
-gfx::NativeView GetParent(gfx::NativeView view) {
-  return ::GetParent(view);
-}
-
-bool IsWindowActive(gfx::NativeWindow window) {
-  return ::GetForegroundWindow() == window;
-}
-
-void ActivateWindow(gfx::NativeWindow window) {
-  ::SetForegroundWindow(window);
-}
-
-bool IsVisible(gfx::NativeView view) {
-  // MSVC complains if we don't include != 0.
-  return ::IsWindowVisible(view) != 0;
-}
-#endif
-
 }  // namespace platform_util