Fixed crashed when activating the context menu for toolbar buttons using Voiceover

chrome/browser/ui/cocoa/menu_button_unittest.mm

Index: chrome/browser/ui/cocoa/menu_button_unittest.mm
diff --git a/chrome/browser/ui/cocoa/menu_button_unittest.mm b/chrome/browser/ui/cocoa/menu_button_unittest.mm
index 5ce4caf72a97b9e6dd9575a56444b2d8bf7007a9..15d76d66672d5ba9d6efe7153393b52b04ada97f 100644
--- a/chrome/browser/ui/cocoa/menu_button_unittest.mm
+++ b/chrome/browser/ui/cocoa/menu_button_unittest.mm
@@ -247,6 +247,13 @@ TEST_F(MenuButtonTest, OpenOnAccessibilityPerformActionWithSetRightClick) {
   actionNames = [buttonCell accessibilityActionNames];
   EXPECT_TRUE([actionNames containsObject:NSAccessibilityShowMenuAction]);
 
+  [button_ setOpenMenuOnClick:NO];
+
+  // Command should still be available, even when both click + hold and right
+  // click are turned on.
+  actionNames = [buttonCell accessibilityActionNames];
+  EXPECT_TRUE([actionNames containsObject:NSAccessibilityShowMenuAction]);
+
   [buttonCell accessibilityPerformAction:NSAccessibilityShowMenuAction];
   EXPECT_TRUE([delegate didOpen]);
   EXPECT_FALSE([delegate isOpen]);