Adding a word to dictionary should remove spelling markers

Source/web/WebLocalFrameImpl.h

Index: Source/web/WebLocalFrameImpl.h
diff --git a/Source/web/WebLocalFrameImpl.h b/Source/web/WebLocalFrameImpl.h
index 7026c51da8e22ad836629aac7444b60af10034d5..525961228296b3a28ef7ee852da9fc2c38a04fc2 100644
--- a/Source/web/WebLocalFrameImpl.h
+++ b/Source/web/WebLocalFrameImpl.h
@@ -67,6 +67,7 @@ class WebFrameClient;
 class WebPerformance;
 class WebPlugin;
 class WebPluginContainerImpl;
+class WebString;
 class WebView;
 class WebViewImpl;
 struct WebPrintParams;
@@ -231,6 +232,8 @@ public:
     // WebLocalFrame methods:
     virtual void addStyleSheetByURL(const WebString& url) OVERRIDE;
 
+    void removeSpellingMarkersUnderWords(const WebVector<WebString>& words);
+
     void willDetachParent();
 
     static WebLocalFrameImpl* create(WebFrameClient*);