Remove more non-aura windows code.

ui/views/focus/focus_manager.cc

 // Copyright (c) 2012 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 "ui/views/focus/focus_manager.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/auto_reset.h"
@@ skipping 57 matching lines @@
   if (event.type() == ui::ET_KEY_PRESSED) {
     // If the focused view wants to process the key event as is, let it be.
     if (focused_view_ && focused_view_->SkipDefaultKeyEventProcessing(event) &&
         !accelerator_manager_->HasPriorityHandler(accelerator))
       return true;
 
     // Intercept Tab related messages for focus traversal.
     // Note that we don't do focus traversal if the root window is not part of
     // the active window hierarchy as this would mean we have no focused view
     // and would focus the first focusable view.
-#if defined(OS_WIN) && !defined(USE_AURA)
-    HWND top_window = widget_->GetNativeView();
-    HWND active_window = ::GetActiveWindow();
-    if ((active_window == top_window || ::IsChild(active_window, top_window)) &&
-        IsTabTraversalKeyEvent(event)) {
-      AdvanceFocus(event.IsShiftDown());
-      return false;
-    }
-#else
     if (IsTabTraversalKeyEvent(event)) {
       AdvanceFocus(event.IsShiftDown());
       return false;
     }
-#endif
 
     if (arrow_key_traversal_enabled_ && ProcessArrowKeyTraversal(event))
       return false;
 
     // Intercept arrow key messages to switch between grouped views.
     if (focused_view_ && focused_view_->GetGroup() != -1 &&
         (key_code == ui::VKEY_UP || key_code == ui::VKEY_DOWN ||
          key_code == ui::VKEY_LEFT || key_code == ui::VKEY_RIGHT)) {
       bool next = (key_code == ui::VKEY_RIGHT || key_code == ui::VKEY_DOWN);
       View::Views views;
@@ skipping 439 matching lines @@
   }
   if (key_code == ui::VKEY_RIGHT || key_code == ui::VKEY_DOWN) {
     AdvanceFocus(false);
     return true;
   }
 
   return false;
 }
 
 }  // namespace views