Add test for ChromeVox keyboard commands.

This is just a couple of quick sanity checks to prevent future regressions
like the one in the linked bug. It tests both a Search+Shift shortcut and
the corresponding Prefix Key shortcut.

Adds support for sending the meta modifier key in
aura/x11 tests.

BUG=404470

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=291547

Committed: https://chromium.googlesource.com/chromium/src/+/8cab2737f1cb6e6011b0946f6bef5027868602c0

Committed: https://crrev.com/91703961c10dfa0f452999ed7cb87945ea817362
Cr-Commit-Position: refs/heads/master@{#293687}

Review URL: https://codereview.chromium.org/490443002

Cr-Commit-Position: refs/heads/master@{#296074}

1 files changed, 10 insertions, 2 deletions

diff --git a/ui/aura/test/ui_controls_factory_ozone.cc b/ui/aura/test/ui_controls_factory_ozone.cc
index 5179360..4c5330c 100644
--- a/ui/aura/test/ui_controls_factory_ozone.cc
+++ b/ui/aura/test/ui_controls_factory_ozone.cc
@@ -36,8 +36,6 @@ class UIControlsOzone : public ui_controls::UIControlsAura {
       bool alt,
       bool command,
       const base::Closure& closure) OVERRIDE {
-    DCHECK(!command);  // No command key on Aura
-
     int flags = button_down_mask_;
 
     if (control) {
@@ -55,6 +53,11 @@ 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 +76,11 @@ 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;
   }