Test aria-pressed=mixed on windows

ui/accessibility/platform/ax_platform_node_win.cc

 // Copyright 2015 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 <atlbase.h>
 #include <atlcom.h>
 #include <limits.h>
 #include <oleacc.h>
 #include <stdint.h>
 
@@ skipping 1107 matching lines @@
   if (state & (1 << ui::AX_STATE_HOVERED))
     msaa_state |= STATE_SYSTEM_HOTTRACKED;
   if (state & (1 << ui::AX_STATE_INVISIBLE) ||
       GetData().role == ui::AX_ROLE_IGNORED) {
     msaa_state |= STATE_SYSTEM_INVISIBLE;
   }
   if (state & (1 << ui::AX_STATE_LINKED))
     msaa_state |= STATE_SYSTEM_LINKED;
   if (state & (1 << ui::AX_STATE_OFFSCREEN))
     msaa_state |= STATE_SYSTEM_OFFSCREEN;
-  if (state & (1 << ui::AX_STATE_PRESSED))
-    msaa_state |= STATE_SYSTEM_PRESSED;
   if (state & (1 << ui::AX_STATE_PROTECTED))
     msaa_state |= STATE_SYSTEM_PROTECTED;
   if (state & (1 << ui::AX_STATE_READ_ONLY))
     msaa_state |= STATE_SYSTEM_READONLY;
   if (state & (1 << ui::AX_STATE_SELECTABLE))
     msaa_state |= STATE_SYSTEM_SELECTABLE;
   if (state & (1 << ui::AX_STATE_SELECTED))
     msaa_state |= STATE_SYSTEM_SELECTED;
   if (state & (1 << ui::AX_STATE_DISABLED))
     msaa_state |= STATE_SYSTEM_UNAVAILABLE;
 
   // Checked state
-  const auto checked_state = static_cast<ui::AXCheckedState>(
+  const auto checked_state = static_cast<ui::AXButtonState>(
       GetIntAttribute(ui::AX_ATTR_CHECKED_STATE));
   switch (checked_state) {
-    case ui::AX_CHECKED_STATE_TRUE:
+    case ui::AX_BUTTON_STATE_TRUE:
       msaa_state |= STATE_SYSTEM_CHECKED;
       break;
-    case ui::AX_CHECKED_STATE_MIXED:
+    case ui::AX_BUTTON_STATE_MIXED:
       msaa_state |= STATE_SYSTEM_MIXED;
       break;
     default:
+      break;
+  }
+
+  // Pressed state
+  const auto pressed_state = static_cast<ui::AXButtonState>(
+      GetIntAttribute(ui::AX_ATTR_PRESSED_STATE));
+  switch (pressed_state) {
+    case ui::AX_BUTTON_STATE_TRUE:
+      msaa_state |= STATE_SYSTEM_CHECKED;
+      break;
+    case ui::AX_BUTTON_STATE_MIXED:
+      msaa_state |= STATE_SYSTEM_MIXED;
+      break;
+    default:
       break;
   }
 
   gfx::NativeViewAccessible focus = delegate_->GetFocus();
   if (focus == GetNativeViewAccessible())
     msaa_state |= STATE_SYSTEM_FOCUSED;
 
   // On Windows, the "focus" bit should be set on certain containers, like
   // menu bars, when visible.
   //
@@ skipping 131 matching lines @@
 
   AXPlatformNodeBase* base =
       FromNativeViewAccessible(node->GetNativeViewAccessible());
   if (base && !IsDescendant(base))
     base = nullptr;
 
   return static_cast<AXPlatformNodeWin*>(base);
 }
 
 }  // namespace ui