Handle the "key" field as opposed to keyIdentifier field.

third_party/WebKit/Source/core/html/forms/SearchInputType.cpp

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 76 matching lines @@
     container->insertBefore(SearchFieldCancelButtonElement::create(element().document()), viewPort->nextSibling());
 }
 
 void SearchInputType::handleKeydownEvent(KeyboardEvent* event)
 {
     if (element().isDisabledOrReadOnly()) {
         TextFieldInputType::handleKeydownEvent(event);
         return;
     }
 
-    const String& key = event->keyIdentifier();
-    if (key == "U+001B") {
+    const String& key = event->key();
+    if (key == "Escape") {
         element().setValueForUser("");
         element().onSearch();
         event->setDefaultHandled();
         return;
     }
     TextFieldInputType::handleKeydownEvent(event);
 }
 
 void SearchInputType::startSearchEventTimer()
 {
@@ skipping 63 matching lines @@
         button->removeInlineStyleProperty(CSSPropertyPointerEvents);
     }
 }
 
 bool SearchInputType::supportsInputModeAttribute() const
 {
     return true;
 }
 
 } // namespace blink