Adding support for DOM3 KeyboardEvents Code in KeyboardEvents

public/web/WebViewClient.h

Index: public/web/WebViewClient.h
diff --git a/public/web/WebViewClient.h b/public/web/WebViewClient.h
index fa39080f10f3357a060fe897c946eee91b29d73e..494ad2af7c40a5908709adfd63388136b5a88d37 100644
--- a/public/web/WebViewClient.h
+++ b/public/web/WebViewClient.h
@@ -134,6 +134,13 @@ public:
     // indicating that the default action should be suppressed.
     virtual bool handleCurrentKeyboardEvent() { return false; }
 
+    // This method converts from the supplied enum value for the key
+    // to the embedder's DOM |code| string.
+    virtual WebString domCodeStringFromEnum(int domCode) { return ""; }
+
+    // This method converts from the suppled DOM |code| string to the
+    // embedder's enum value for the key.
+    virtual int domEnumFromCodeString(const WebString& codeString) { return 0; }
 
     // Dialogs -------------------------------------------------------------