Remove UserScript support, which is not used by Chromium

Source/WebKit/chromium/src/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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 3574 matching lines @@
 void WebViewImpl::setSelectionColors(unsigned activeBackgroundColor,
                                      unsigned activeForegroundColor,
                                      unsigned inactiveBackgroundColor,
                                      unsigned inactiveForegroundColor) {
 #if ENABLE(DEFAULT_RENDER_THEME)
     RenderThemeChromiumDefault::setSelectionColors(activeBackgroundColor, activeForegroundColor, inactiveBackgroundColor, inactiveForegroundColor);
     theme()->platformColorsDidChange();
 #endif
 }
 
-void WebView::addUserScript(const WebString& sourceCode,
-                            const WebVector<WebString>& patternsIn,
-                            WebView::UserScriptInjectAt injectAt,
-                            WebView::UserContentInjectIn injectIn)
-{
-    Vector<String> patterns;
-    for (size_t i = 0; i < patternsIn.size(); ++i)
-        patterns.append(patternsIn[i]);
-
-    PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
-    RefPtr<DOMWrapperWorld> world(DOMWrapperWorld::createUninitializedWorld());
-    pageGroup->addUserScriptToWorld(world.get(), sourceCode, WebURL(), patterns, Vector<String>(),
-                                    static_cast<UserScriptInjectionTime>(injectAt),
-                                    static_cast<UserContentInjectedFrames>(injectIn));
-}
-
 void WebView::addUserStyleSheet(const WebString& sourceCode,
                                 const WebVector<WebString>& patternsIn,
                                 WebView::UserContentInjectIn injectIn,
                                 WebView::UserStyleInjectionTime injectionTime)
 {
     Vector<String> patterns;
     for (size_t i = 0; i < patternsIn.size(); ++i)
         patterns.append(patternsIn[i]);
 
     PageGroup* pageGroup = PageGroup::pageGroup(pageGroupName);
@@ skipping 588 matching lines @@
 }
 
 bool WebViewImpl::shouldDisableDesktopWorkarounds()
 {
     ViewportArguments arguments = mainFrameImpl()->frame()->document()->viewportArguments();
     return arguments.width == ViewportArguments::ValueDeviceWidth || !arguments.userZoom
         || (arguments.minZoom == arguments.maxZoom && arguments.minZoom != ViewportArguments::ValueAuto);
 }
 
 } // namespace WebKit