Allow keys with AltGr modifier to be inserted in Textfield

ui/views/controls/textfield/textfield.cc

Index: ui/views/controls/textfield/textfield.cc
diff --git a/ui/views/controls/textfield/textfield.cc b/ui/views/controls/textfield/textfield.cc
index d3b684c449f1c989f45422f70df5cbfbeb23bc7b..c20ea8179350312aefb84f575098d8f251f65fd5 100644
--- a/ui/views/controls/textfield/textfield.cc
+++ b/ui/views/controls/textfield/textfield.cc
@@ -1453,10 +1453,10 @@ void Textfield::InsertChar(base::char16 ch, int flags) {
   // Filter out all control characters, including tab and new line characters,
   // and all characters with Alt modifier (and Search on ChromeOS). But allow
   // characters with the AltGr modifier. On Windows AltGr is represented by
-  // Alt+Ctrl, and on Linux it's a different flag that we don't care about.
-  const bool should_insert_char =
-      ((ch >= 0x20 && ch < 0x7F) || ch > 0x9F) &&
-      !ui::IsSystemKeyModifier(flags);
+  // Alt+Ctrl or Right Alt, and on Linux it's a different flag that we don't
+  // care about.
+  const bool should_insert_char = ((ch >= 0x20 && ch < 0x7F) || ch > 0x9F) &&
+                                  !ui::IsSystemKeyModifier(flags);
   if (GetTextInputType() == ui::TEXT_INPUT_TYPE_NONE || !should_insert_char)
     return;