Add KURL::protocolIsJavascript member function

third_party/WebKit/Source/core/frame/DOMWindow.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/frame/DOMWindow.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/SecurityContext.h"
@@ skipping 114 matching lines @@
   return child ? child->domWindow() : nullptr;
 }
 
 bool DOMWindow::isCurrentlyDisplayedInFrame() const {
   if (frame())
     SECURITY_CHECK(frame()->domWindow() == this);
   return frame() && frame()->host();
 }
 
 bool DOMWindow::isInsecureScriptAccess(LocalDOMWindow& callingWindow,
-                                       const String& urlString) {
-  if (!protocolIsJavaScript(urlString))
+                                       const KURL& url) {
+  if (!url.protocolIsJavaScript())
     return false;
 
   // If this DOMWindow isn't currently active in the Frame, then there's no
   // way we should allow the access.
   if (isCurrentlyDisplayedInFrame()) {
     // FIXME: Is there some way to eliminate the need for a separate
     // "callingWindow == this" check?
     if (&callingWindow == this)
       return false;
 
@@ skipping 289 matching lines @@
   page->focusController().focusDocumentView(frame(), true /* notifyEmbedder */);
 }
 
 DEFINE_TRACE(DOMWindow) {
   visitor->trace(m_frame);
   visitor->trace(m_location);
   EventTargetWithInlineData::trace(visitor);
 }
 
 }  // namespace blink