Remove some dead code in WebFrame

sky/engine/web/WebLocalFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 290 matching lines @@
 v8::Local<v8::Context> WebLocalFrameImpl::mainWorldScriptContext() const
 {
     return toV8Context(frame(), DOMWrapperWorld::mainWorld());
 }
 
 void WebLocalFrameImpl::load(const WebURL& url, mojo::ScopedDataPipeConsumerHandle responseStream)
 {
     frame()->mojoLoader().load(url, responseStream.Pass());
 }
 
-void WebLocalFrameImpl::setReferrerForRequest(WebURLRequest& request, const WebURL& referrerURL)
-{
-    String referrer = referrerURL.isEmpty() ? frame()->document()->outgoingReferrer() : String(referrerURL.spec().utf16());
-    referrer = SecurityPolicy::generateReferrerHeader(frame()->document()->referrerPolicy(), request.url(), referrer);
-    if (referrer.isEmpty())
-        return;
-    request.setHTTPReferrer(referrer, static_cast<WebReferrerPolicy>(frame()->document()->referrerPolicy()));
-}
-
-unsigned WebLocalFrameImpl::unloadListenerCount() const
-{
-    return frame()->domWindow()->pendingUnloadEventListeners();
-}
-
 void WebLocalFrameImpl::replaceSelection(const WebString& text)
 {
     bool selectReplacement = false;
     bool smartReplace = true;
     frame()->editor().replaceSelectionWithText(text, selectReplacement, smartReplace);
 }
 
 void WebLocalFrameImpl::insertText(const WebString& text)
 {
     if (frame()->inputMethodController().hasComposition())
@@ skipping 335 matching lines @@
 
 void WebLocalFrameImpl::setInputEventsTransformForEmulation(const IntSize& offset, float contentScaleFactor)
 {
     m_inputEventsOffsetForEmulation = offset;
     m_inputEventsScaleFactorForEmulation = contentScaleFactor;
     if (frame()->view())
         frame()->view()->setInputEventsTransformForEmulation(m_inputEventsOffsetForEmulation, m_inputEventsScaleFactorForEmulation);
 }
 
 } // namespace blink