Gracefully handle mixed content checking on detached resource fetches.

Source/core/css/CSSFontFaceSrcValue.cpp

 /*
  * Copyright (C) 2007, 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #include "config.h"
 #include "core/css/CSSFontFaceSrcValue.h"
 
 #include "core/FetchInitiatorTypeNames.h"
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/Document.h"
 #include "core/dom/Node.h"
 #include "core/fetch/FetchRequest.h"
 #include "core/fetch/FontResource.h"
 #include "core/fetch/ResourceFetcher.h"
+#include "core/loader/MixedContentChecker.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/fonts/FontCustomPlatformData.h"
 #include "platform/weborigin/SecurityPolicy.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 bool CSSFontFaceSrcValue::isSupportedFormat() const
 {
     // Normally we would just check the format, but in order to avoid conflicts with the old WinIE style of font-face,
@@ skipping 67 matching lines @@
         m_fetched->lastResourceRequest().url(), MixedContentChecker::SendReport);
     document->fetcher()->requestLoadStarted(m_fetched.get(), request, ResourceFetcher::ResourceLoadingFromCache);
 }
 
 bool CSSFontFaceSrcValue::equals(const CSSFontFaceSrcValue& other) const
 {
     return m_isLocal == other.m_isLocal && m_format == other.m_format && m_resource == other.m_resource;
 }
 
 }