Test aria-pressed=mixed on windows

ui/accessibility/ax_node_data.cc

Index: ui/accessibility/ax_node_data.cc
diff --git a/ui/accessibility/ax_node_data.cc b/ui/accessibility/ax_node_data.cc
index 2cb05046ad47b8227fde6ac603fe3c9f5fa079e1..0422aa0716d3840e4bdd64e902b403238e5332e1 100644
--- a/ui/accessibility/ax_node_data.cc
+++ b/ui/accessibility/ax_node_data.cc
@@ -137,6 +137,7 @@ bool IsNodeIdIntAttribute(AXIntAttribute attr) {
     case AX_ATTR_COLOR:
     case AX_ATTR_INVALID_STATE:
     case AX_ATTR_CHECKED_STATE:
+    case AX_ATTR_PRESSED_STATE:
     case AX_ATTR_TEXT_DIRECTION:
     case AX_ATTR_TEXT_STYLE:
     case AX_ATTR_ARIA_COLUMN_COUNT:
@@ -737,17 +738,30 @@ std::string AXNodeData::ToString() const {
         break;
       case AX_ATTR_CHECKED_STATE:
         switch (int_attributes[i].second) {
-          case AX_CHECKED_STATE_FALSE:
+          case AX_BUTTON_STATE_FALSE:
             result += " checked_state=false";
             break;
-          case AX_CHECKED_STATE_TRUE:
+          case AX_BUTTON_STATE_TRUE:
             result += " checked_state=true";
             break;
-          case AX_CHECKED_STATE_MIXED:
+          case AX_BUTTON_STATE_MIXED:
             result += " checked_state=mixed";
             break;
         }
         break;
+      case AX_ATTR_PRESSED_STATE:
+        switch (int_attributes[i].second) {
+          case AX_BUTTON_STATE_FALSE:
+            result += " pressed_state=false";
+            break;
+          case AX_BUTTON_STATE_TRUE:
+            result += " pressed_state=true";
+            break;
+          case AX_BUTTON_STATE_MIXED:
+            result += " pressed_state=mixed";
+            break;
+        }
+        break;
       case AX_INT_ATTRIBUTE_NONE:
         break;
     }