Force U.S. English keyboard layout for TextfieldTest.KeysWithModifiersTest

ui/views/controls/textfield/textfield_unittest.cc

Index: ui/views/controls/textfield/textfield_unittest.cc
diff --git a/ui/views/controls/textfield/textfield_unittest.cc b/ui/views/controls/textfield/textfield_unittest.cc
index 90cb4f866b03991b086016c9d3e011e84c66cd19..ec2c23aa4092550d5b4747ecf6824163fc0d709b 100644
--- a/ui/views/controls/textfield/textfield_unittest.cc
+++ b/ui/views/controls/textfield/textfield_unittest.cc
@@ -36,6 +36,7 @@
 #include "ui/events/event_utils.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/events/test/event_generator.h"
+#include "ui/events/test/keyboard_layout.h"
 #include "ui/gfx/render_text.h"
 #include "ui/strings/grit/ui_strings.h"
 #include "ui/views/controls/textfield/textfield_controller.h"
@@ -766,6 +767,14 @@ TEST_F(TextfieldTest, KeyTest) {
 }
 
 TEST_F(TextfieldTest, KeysWithModifiersTest) {
+#if defined(OS_WIN) || defined(OS_MACOSX)
+  // Activate U.S. English keyboard layout. Modifier keys in other layouts may
+  // change the text inserted into a texfield and cause this test to fail.
+  ui::ScopedKeyboardLayout keyboard_layout(ui::KEYBOARD_LAYOUT_ENGLISH_US);
+#else
+  // TODO(crbug.com/633136): Switch keyboard layout on other platforms.
+#endif
+
   InitTextfield();
   const int ctrl = ui::EF_CONTROL_DOWN;
   const int alt = ui::EF_ALT_DOWN;