Revert of Why do we have this line when it makes sliders look editable?

content/browser/accessibility/browser_accessibility_com_win.cc

 // Copyright (c) 2017 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 "content/browser/accessibility/browser_accessibility_com_win.h"
 
 #include <UIAutomationClient.h>
 #include <UIAutomationCoreApi.h>
 
 #include <algorithm>
@@ skipping 5186 matching lines @@
   BrowserAccessibilityStateImpl* accessibility_state =
       BrowserAccessibilityStateImpl::GetInstance();
   if (!accessibility_state->disable_hot_tracking_for_testing()) {
     if (owner()->HasState(ui::AX_STATE_HOVERED))
       ia_state |= STATE_SYSTEM_HOTTRACKED;
   }
 
   if (owner()->HasState(ui::AX_STATE_EDITABLE))
     ia2_state |= IA2_STATE_EDITABLE;
 
+  if (owner()->HasAction(ui::AX_ACTION_SET_VALUE))
+    ia2_state |= IA2_STATE_EDITABLE;
+
   if (!owner()->GetStringAttribute(ui::AX_ATTR_AUTO_COMPLETE).empty())
     ia2_state |= IA2_STATE_SUPPORTS_AUTOCOMPLETION;
 
   if (owner()->GetBoolAttribute(ui::AX_ATTR_MODAL))
     ia2_state |= IA2_STATE_MODAL;
 
   base::string16 html_tag = owner()->GetString16Attribute(ui::AX_ATTR_HTML_TAG);
   switch (owner()->GetRole()) {
     case ui::AX_ROLE_ALERT:
       ia_role = ROLE_SYSTEM_ALERT;
@@ skipping 497 matching lines @@
 
 BrowserAccessibilityComWin* ToBrowserAccessibilityComWin(
     BrowserAccessibility* obj) {
   if (!obj || !obj->IsNative())
     return nullptr;
   auto* result = static_cast<BrowserAccessibilityWin*>(obj)->GetCOM();
   return result;
 }
 
 }  // namespace content