Add test for ChromeVox keyboard commands.

ui/aura/test/ui_controls_factory_ozone.cc

Index: ui/aura/test/ui_controls_factory_ozone.cc
diff --git a/ui/aura/test/ui_controls_factory_ozone.cc b/ui/aura/test/ui_controls_factory_ozone.cc
index 5179360e6fbe4754ac1ab3f1e6b51f4c3188ce8f..056a591792bc8b8e5a8a6d194b78de504cdbe37e 100644
--- a/ui/aura/test/ui_controls_factory_ozone.cc
+++ b/ui/aura/test/ui_controls_factory_ozone.cc
@@ -55,6 +55,11 @@ class UIControlsOzone : public ui_controls::UIControlsAura {
       PostKeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_MENU, flags);
     }
 
+    if (command) {
+      flags |= ui::EF_COMMAND_DOWN;
+      PostKeyEvent(ui::ET_KEY_PRESSED, ui::VKEY_LWIN, flags);
+    }
+
     PostKeyEvent(ui::ET_KEY_PRESSED, key, flags);
     PostKeyEvent(ui::ET_KEY_RELEASED, key, flags);
 
@@ -73,6 +78,11 @@ class UIControlsOzone : public ui_controls::UIControlsAura {
       PostKeyEvent(ui::ET_KEY_RELEASED, ui::VKEY_CONTROL, flags);
     }
 
+    if (command) {
+      flags &= ~ui::EF_COMMAND_DOWN;
+      PostKeyEvent(ui::ET_KEY_RELEASED, ui::VKEY_LWIN, flags);
+    }
+
     RunClosureAfterAllPendingUIEvents(closure);
     return true;
   }