[KeyboardEvent] Add embedder APIs to translate between Dom |key| enum and strings

content/browser/renderer_host/web_input_event_aura.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/web_input_event_aura.h"
 
 #include "content/browser/renderer_host/input/web_input_event_util.h"
 #include "content/browser/renderer_host/ui_events_helper.h"
 #include "ui/aura/client/screen_position_client.h"
 #include "ui/aura/window.h"
@@ skipping 53 matching lines @@
       NOTREACHED();
   }
 
   if (webkit_event.modifiers & blink::WebInputEvent::AltKey)
     webkit_event.isSystemKey = true;
 
   webkit_event.windowsKeyCode = event.GetLocatedWindowsKeyboardCode();
   webkit_event.nativeKeyCode =
     ui::KeycodeConverter::DomCodeToNativeKeycode(event.code());
   webkit_event.domCode = static_cast<int>(event.code());
+  webkit_event.domKey = static_cast<int>(event.GetDomKey());
   webkit_event.unmodifiedText[0] = event.GetUnmodifiedText();
   webkit_event.text[0] = event.GetText();
 
   webkit_event.setKeyIdentifierFromWindowsKeyCode();
 
   return webkit_event;
 }
 
 blink::WebMouseWheelEvent MakeWebMouseWheelEventFromAuraEvent(
     const ui::ScrollEvent& event) {
@@ skipping 294 matching lines @@
     webkit_event.deltaY = event.y_offset();
   }
 
   webkit_event.wheelTicksX = webkit_event.deltaX / kPixelsPerTick;
   webkit_event.wheelTicksY = webkit_event.deltaY / kPixelsPerTick;
 
   return webkit_event;
 }
 
 }  // namespace content