Adapt MixedContentChecker for remote frames

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 "bindings/core/v8/ScriptCallStackFactory.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 185 matching lines @@
     if (exceptionState.hadException())
         return;
 
     // Capture the source of the message.  We need to do this synchronously
     // in order to capture the source of the message correctly.
     if (!sourceDocument)
         return;
     String sourceOrigin = sourceDocument->securityOrigin()->toString();
     String sourceSuborigin = sourceDocument->securityOrigin()->suboriginName();
 
-    // FIXME: MixedContentChecker needs to be refactored for OOPIF.  For now,
-    // create the url using replicated origins for remote frames.
     KURL targetUrl = isLocalDOMWindow() ? document()->url() : KURL(KURL(), frame()->securityContext()->securityOrigin()->toString());
     if (MixedContentChecker::isMixedContent(sourceDocument->securityOrigin(), targetUrl))
         UseCounter::count(frame(), UseCounter::PostMessageFromSecureToInsecure);
     else if (MixedContentChecker::isMixedContent(frame()->securityContext()->securityOrigin(), sourceDocument->url()))
         UseCounter::count(frame(), UseCounter::PostMessageFromInsecureToSecure);
 
     // Give the embedder a chance to intercept this postMessage.  If the
     // target is a remote frame, the message will be forwarded through the
     // browser process.
     RefPtrWillBeRawPtr<MessageEvent> event = MessageEvent::create(channels.release(), message, sourceOrigin, String(), source, sourceSuborigin);
@@ skipping 150 matching lines @@
     page->focusController().focusDocumentView(frame(), true /* notifyEmbedder */);
 }
 
 DEFINE_TRACE(DOMWindow)
 {
     visitor->trace(m_location);
     EventTargetWithInlineData::trace(visitor);
 }
 
 } // namespace blink