Test aria-pressed=mixed on windows

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

Index: third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp b/third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp
index 7e3a068ce75315036f1db885e32053cd5c3767df..10d953f2c6c7d44f467b3e0425018a7d6dcae2d4 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXNodeObject.cpp
@@ -1218,24 +1218,18 @@ bool AXNodeObject::IsModal() const {
   return false;
 }
 
-bool AXNodeObject::IsPressed() const {
-  if (!IsButton())
-    return false;
-
-  Node* node = this->GetNode();
-  if (!node)
-    return false;
-
+AccessibilityButtonState AXNodeObject::PressedState() const {
   // ARIA button with aria-pressed not undefined, then check for aria-pressed
   // attribute rather than getNode()->active()
-  if (AriaRoleAttribute() == kToggleButtonRole) {
-    if (EqualIgnoringASCIICase(GetAttribute(aria_pressedAttr), "true") ||
-        EqualIgnoringASCIICase(GetAttribute(aria_pressedAttr), "mixed"))
-      return true;
-    return false;
+  if (this->GetNode() && RoleValue() == kToggleButtonRole) {
+    auto pressed = GetAttribute(aria_pressedAttr);
+    if (EqualIgnoringASCIICase(pressed, "true"))
+      return kButtonStateOn;
+    if (EqualIgnoringASCIICase(pressed, "mixed"))
+      return kButtonStateMixed;
   }
 
-  return node->IsActive();
+  return kButtonStateOff;
 }
 
 bool AXNodeObject::IsReadOnly() const {