Add KURL::protocolIsJavascript member function

third_party/WebKit/Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
@@ skipping 3399 matching lines @@
     m_elemSheet = CSSStyleSheet::createInline(*this, m_baseURL);
   return *m_elemSheet;
 }
 
 void Document::maybeHandleHttpRefresh(const String& content,
                                       HttpRefreshType httpRefreshType) {
   if (m_isViewSource || !m_frame)
     return;
 
   double delay;
-  String refreshURL;
+  String refreshURLString;
   if (!parseHTTPRefresh(content, httpRefreshType == HttpRefreshFromMetaTag
                                      ? isHTMLSpace<UChar>
                                      : nullptr,
-                        delay, refreshURL))
+                        delay, refreshURLString))
     return;
-  if (refreshURL.isEmpty())
-    refreshURL = url().getString();
-  else
-    refreshURL = completeURL(refreshURL).getString();
+  KURL refreshURL =
+      refreshURLString.isEmpty() ? url() : completeURL(refreshURLString);
 
-  if (protocolIsJavaScript(refreshURL)) {
+  if (refreshURL.protocolIsJavaScript()) {
     String message =
         "Refused to refresh " + m_url.elidedString() + " to a javascript: URL";
     addConsoleMessage(ConsoleMessage::create(SecurityMessageSource,
                                              ErrorMessageLevel, message));
     return;
   }
 
   if (httpRefreshType == HttpRefreshFromMetaTag &&
       isSandboxed(SandboxAutomaticFeatures)) {
     String message =
@@ skipping 3090 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->url().getString().utf8().data());
 }
 #endif