Add use counter for credentialed CORS access from null origins.

Source/core/loader/DocumentThreadableLoader.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013, Intel Corporation
  *
  * 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.
@@ skipping 281 matching lines @@
     // original request was not same-origin.
     if (m_options.crossOriginRequestPolicy == UseAccessControl) {
 
         InspectorInstrumentation::didReceiveCORSRedirectResponse(m_document.frame(), resource->identifier(), m_document.frame()->loader().documentLoader(), redirectResponse, 0);
 
         bool allowRedirect = false;
         String accessControlErrorDescription;
 
         if (m_simpleRequest) {
             allowRedirect = CrossOriginAccessControl::isLegalRedirectLocation(request.url(), accessControlErrorDescription)
-                && (m_sameOriginRequest || passesAccessControlCheck(redirectResponse, effectiveAllowCredentials(), securityOrigin(), accessControlErrorDescription));
+                && (m_sameOriginRequest || passesAccessControlCheck(&m_document, redirectResponse, effectiveAllowCredentials(), securityOrigin(), accessControlErrorDescription));
         } else {
             accessControlErrorDescription = "The request was redirected to '"+ request.url().string() + "', which is disallowed for cross-origin requests that require preflight.";
         }
 
         if (allowRedirect) {
             // FIXME: consider combining this with CORS redirect handling performed by
             // CrossOriginAccessControl::handleRedirect().
             clearResource();
 
             RefPtr<SecurityOrigin> originalOrigin = SecurityOrigin::create(redirectResponse.url());
@@ skipping 60 matching lines @@
     ASSERT_UNUSED(resource, resource == this->resource());
     ASSERT(m_async);
 
     handleResponse(resource->identifier(), response, handle);
 }
 
 void DocumentThreadableLoader::handlePreflightResponse(const ResourceResponse& response)
 {
     String accessControlErrorDescription;
 
-    if (!passesAccessControlCheck(response, effectiveAllowCredentials(), securityOrigin(), accessControlErrorDescription)) {
+    if (!passesAccessControlCheck(&m_document, response, effectiveAllowCredentials(), securityOrigin(), accessControlErrorDescription)) {
         handlePreflightFailure(response.url().string(), accessControlErrorDescription);
         return;
     }
 
     if (!passesPreflightStatusCheck(response, accessControlErrorDescription)) {
         handlePreflightFailure(response.url().string(), accessControlErrorDescription);
         return;
     }
 
     OwnPtr<CrossOriginPreflightResultCacheItem> preflightResult = adoptPtr(new CrossOriginPreflightResultCacheItem(effectiveAllowCredentials()));
@@ skipping 35 matching lines @@
         }
         m_fallbackRequestForServiceWorker = nullptr;
         m_client->didReceiveResponse(identifier, response, handle);
         return;
     }
 
     ASSERT(!m_fallbackRequestForServiceWorker);
 
     if (!m_sameOriginRequest && m_options.crossOriginRequestPolicy == UseAccessControl) {
         String accessControlErrorDescription;
-        if (!passesAccessControlCheck(response, effectiveAllowCredentials(), securityOrigin(), accessControlErrorDescription)) {
+        if (!passesAccessControlCheck(&m_document, response, effectiveAllowCredentials(), securityOrigin(), accessControlErrorDescription)) {
             reportResponseReceived(identifier, response);
             m_client->didFailAccessControlCheck(ResourceError(errorDomainBlinkInternal, 0, response.url().string(), accessControlErrorDescription));
             return;
         }
     }
 
     m_client->didReceiveResponse(identifier, response, handle);
 }
 
 void DocumentThreadableLoader::dataReceived(Resource* resource, const char* data, unsigned dataLength)
@@ skipping 184 matching lines @@
         return DoNotAllowStoredCredentials;
     return m_resourceLoaderOptions.allowCredentials;
 }
 
 SecurityOrigin* DocumentThreadableLoader::securityOrigin() const
 {
     return m_securityOrigin ? m_securityOrigin.get() : m_document.securityOrigin();
 }
 
 } // namespace blink