Fix accessibility of buttons inside Chrome menu

chrome/browser/ui/views/toolbar/app_menu.cc

Index: chrome/browser/ui/views/toolbar/app_menu.cc
diff --git a/chrome/browser/ui/views/toolbar/app_menu.cc b/chrome/browser/ui/views/toolbar/app_menu.cc
index 8e753d99a293d6c28163afd1bd20f6350bfa68ac..c12b12750a3f0fea3efda2c19181edd0038d63bf 100644
--- a/chrome/browser/ui/views/toolbar/app_menu.cc
+++ b/chrome/browser/ui/views/toolbar/app_menu.cc
@@ -44,6 +44,7 @@
 #include "grit/theme_resources.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkPaint.h"
+#include "ui/accessibility/ax_view_state.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/layout.h"
 #include "ui/base/material_design/material_design_controller.h"
@@ -122,6 +123,11 @@ class FullscreenButton : public ImageButton {
     return pref;
   }
 
+  void GetAccessibleState(ui::AXViewState* state) override {
+    ImageButton::GetAccessibleState(state);
+    state->role = ui::AX_ROLE_MENU_ITEM;
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(FullscreenButton);
 };
@@ -299,6 +305,11 @@ class InMenuButton : public LabelButton {
     in_menu_background_->SetOtherButtons(left, right);
   }
 
+  void GetAccessibleState(ui::AXViewState* state) override {
+    LabelButton::GetAccessibleState(state);
+    state->role = ui::AX_ROLE_MENU_ITEM;
+  }
+
   // views::LabelButton
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override {
     if (theme) {