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

content/browser/renderer_host/web_input_event_aura.cc

Index: content/browser/renderer_host/web_input_event_aura.cc
diff --git a/content/browser/renderer_host/web_input_event_aura.cc b/content/browser/renderer_host/web_input_event_aura.cc
index b09f67e680220fd00d9726e98172ef2b9a523e94..1042726c60757d3283020461d066c06b6967c3c5 100644
--- a/content/browser/renderer_host/web_input_event_aura.cc
+++ b/content/browser/renderer_host/web_input_event_aura.cc
@@ -11,6 +11,7 @@
 #include "ui/events/blink/blink_event_util.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
+#include "ui/events/keycodes/dom/dom_key.h"
 #include "ui/events/keycodes/dom/keycode_converter.h"
 
 namespace content {
@@ -85,6 +86,13 @@ blink::WebKeyboardEvent MakeWebKeyboardEventFromAuraEvent(
   webkit_event.nativeKeyCode =
     ui::KeycodeConverter::DomCodeToNativeKeycode(event.code());
   webkit_event.domCode = static_cast<int>(event.code());
+
+  ui::DomKey dom_key = event.GetDomKey();
+  if (dom_key == ui::DomKey::CHARACTER)
+    webkit_event.domKey = static_cast<int>(event.GetCharacter());
+  else
+    webkit_event.domKey = DOM_KEY_PRINT_NON_DIFF + static_cast<int>(dom_key);

[Habib Virji, 2015/06/24 14:32:12]

Here a distinction is created if it is non-printable character.

+
   webkit_event.unmodifiedText[0] = event.GetUnmodifiedText();
   webkit_event.text[0] = event.GetText();
 
@@ -276,6 +284,9 @@ blink::WebKeyboardEvent MakeWebKeyboardEvent(const ui::KeyEvent& event) {
     blink::WebKeyboardEvent webkit_event(
         MakeWebKeyboardEventFromNativeEvent(event.native_event()));
     webkit_event.domCode = static_cast<int>(event.code());
+    webkit_event.domKey  = static_cast<int>(event.GetDomKey());
+    if (webkit_event.domKey == DomKey::None)
+      webkit_event.domKey = static_cast<int>(event.GetCharacter());

[Habib Virji, 2015/06/24 14:32:12]

Missed updating code here will push in new patch to update this.

     return webkit_event;
   }
 #endif