Views: Draw Textfield selected text in gray when top-level Widget loses focus.

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 25 matching lines @@
       shortcut_handling_suspended_(false),
       focus_change_reason_(kReasonDirectFocusChange),
       is_changing_focus_(false),
       keyboard_accessible_(false) {
   DCHECK(widget_);
   stored_focused_view_storage_id_ =
       ViewStorage::GetInstance()->CreateStorageID();
 }
 
 FocusManager::~FocusManager() {
+  for (FocusChangeListener& observer : focus_change_listeners_)
+    observer.OnFocusManagerDestroying();
 }
 
 bool FocusManager::OnKeyEvent(const ui::KeyEvent& event) {
   const int key_code = event.key_code();
 
   if (event.type() != ui::ET_KEY_PRESSED && event.type() != ui::ET_KEY_RELEASED)
     return false;
 
   if (shortcut_handling_suspended())
     return true;
@@ skipping 512 matching lines @@
 // |keyboard_accessible_| is only used on Mac.
 #if defined(OS_MACOSX)
   return keyboard_accessible_ ? view->IsAccessibilityFocusable()
                               : view->IsFocusable();
 #else
   return view->IsAccessibilityFocusable();
 #endif
 }
 
 }  // namespace views