Gracefully handle mixed content checking on detached resource fetches.

Source/core/loader/FrameFetchContext.cpp

 /*
  * Copyright (C) 2013 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 25 matching lines @@
 #include "core/frame/FrameConsole.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/imports/HTMLImportsController.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/InspectorTraceEvents.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/loader/LinkLoader.h"
+#include "core/loader/MixedContentChecker.h"
 #include "core/loader/ProgressTracker.h"
 #include "core/page/Page.h"
 #include "core/frame/Settings.h"
 #include "platform/weborigin/SecurityPolicy.h"
 
 namespace blink {
 
 FrameFetchContext::FrameFetchContext(DocumentLoader* loader)
     : m_document(nullptr)
     , m_documentLoader(loader)
@@ skipping 250 matching lines @@
     dispatchDidFinishLoading(identifier, 0, 0);
 }
 
 DEFINE_TRACE(FrameFetchContext)
 {
     visitor->trace(m_document);
     FetchContext::trace(visitor);
 }
 
 } // namespace blink