Test aria-pressed=mixed on windows

third_party/WebKit/Source/modules/accessibility/InspectorAccessibilityAgent.cpp

 // Copyright 2014 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 "modules/accessibility/InspectorAccessibilityAgent.h"
 
 #include <memory>
 #include "core/HTMLNames.h"
 #include "core/dom/AXObjectCache.h"
 #include "core/dom/DOMNodeIds.h"
@@ skipping 272 matching lines @@
           CreateBooleanValue(false, AXValueTypeEnum::BooleanOrUndefined)));
       break;
     case kExpandedExpanded:
       properties.addItem(CreateProperty(
           AXWidgetStatesEnum::Expanded,
           CreateBooleanValue(true, AXValueTypeEnum::BooleanOrUndefined)));
       break;
   }
 
   if (role == kToggleButtonRole) {
-    if (!ax_object.IsPressed()) {
-      properties.addItem(
-          CreateProperty(AXWidgetStatesEnum::Pressed,
-                         CreateValue("false", AXValueTypeEnum::Tristate)));
-    } else {
-      const AtomicString& pressed_attr =
-          ax_object.GetAttribute(HTMLNames::aria_pressedAttr);
-      if (EqualIgnoringASCIICase(pressed_attr, "mixed"))
-        properties.addItem(
-            CreateProperty(AXWidgetStatesEnum::Pressed,
-                           CreateValue("mixed", AXValueTypeEnum::Tristate)));
-      else
-        properties.addItem(
-            CreateProperty(AXWidgetStatesEnum::Pressed,
-                           CreateValue("true", AXValueTypeEnum::Tristate)));
-    }
+    const AccessibilityButtonState pressed = ax_object.PressedState();
+    const char* pressed_str =
+        pressed == kButtonStateOn
+            ? "true"
+            : (pressed == kButtonStateMixed ? "mixed" : "false");
+    properties.addItem(
+        CreateProperty(AXWidgetStatesEnum::Pressed,
+                       CreateValue(pressed_str, AXValueTypeEnum::Tristate)));
   }
 
   if (RoleAllowsSelected(role)) {
     properties.addItem(
         CreateProperty(AXWidgetStatesEnum::Selected,
                        CreateBooleanValue(ax_object.IsSelected())));
   }
 
   if (RoleAllowsModal(role)) {
     properties.addItem(CreateProperty(AXWidgetStatesEnum::Modal,
@@ skipping 420 matching lines @@
   }
 }
 
 DEFINE_TRACE(InspectorAccessibilityAgent) {
   visitor->Trace(page_);
   visitor->Trace(dom_agent_);
   InspectorBaseAgent::Trace(visitor);
 }
 
 }  // namespace blink