Refactor the forPreload flag to mean speculative preload.

third_party/WebKit/Source/platform/loader/fetch/ResourceLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2007 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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.
@@ skipping 154 matching lines @@
       passedRedirectResponse.toResourceResponse());
 
   newRequest.setRedirectStatus(
       ResourceRequest::RedirectStatus::FollowedRedirect);
 
   const KURL originalURL = newRequest.url();
 
   if (!isManualRedirectFetchRequest(m_resource->resourceRequest())) {
     ResourceRequestBlockedReason blockedReason = context().canRequest(
         m_resource->getType(), newRequest, newRequest.url(),
-        m_resource->options(), m_resource->isUnusedPreload(),
+        m_resource->options(),
+        /* Don't send security violation reports for unused preloads */
+        (m_resource->isUnusedPreload()
+             ? FetchContext::SecurityViolationReportingPolicy::SuppressReporting
+             : FetchContext::SecurityViolationReportingPolicy::Report),
         FetchRequest::UseDefaultOriginRestrictionForType);
     if (blockedReason != ResourceRequestBlockedReason::None) {
       cancelForRedirectAccessCheckError(newRequest.url(), blockedReason);
       return false;
     }
 
     if (m_resource->options().corsEnabled == IsCORSEnabled) {
       RefPtr<SecurityOrigin> sourceOrigin =
           m_resource->options().securityOrigin;
       if (!sourceOrigin.get())
@@ skipping 65 matching lines @@
 }
 
 FetchContext& ResourceLoader::context() const {
   return m_fetcher->context();
 }
 
 ResourceRequestBlockedReason ResourceLoader::canAccessResponse(
     Resource* resource,
     const ResourceResponse& response) const {
   // Redirects can change the response URL different from one of request.
-  bool forPreload = resource->isUnusedPreload();
-  ResourceRequestBlockedReason blockedReason =
-      context().canRequest(resource->getType(), resource->resourceRequest(),
-                           response.url(), resource->options(), forPreload,
-                           FetchRequest::UseDefaultOriginRestrictionForType);
+  bool unusedPreload = resource->isUnusedPreload();
+  ResourceRequestBlockedReason blockedReason = context().canRequest(
+      resource->getType(), resource->resourceRequest(), response.url(),
+      resource->options(),
+      /* Don't send security violation reports for unused preloads */
+      (unusedPreload
+           ? FetchContext::SecurityViolationReportingPolicy::SuppressReporting
+           : FetchContext::SecurityViolationReportingPolicy::Report),
+      FetchRequest::UseDefaultOriginRestrictionForType);
   if (blockedReason != ResourceRequestBlockedReason::None)
     return blockedReason;
 
   SecurityOrigin* sourceOrigin = resource->options().securityOrigin.get();
   if (!sourceOrigin)
     sourceOrigin = context().getSecurityOrigin();
 
   if (sourceOrigin->canRequestNoSuborigin(response.url()))
     return ResourceRequestBlockedReason::None;
 
   // Use the original response instead of the 304 response for a successful
   // revaldiation.
   const ResourceResponse& responseForAccessControl =
       (resource->isCacheValidator() && response.httpStatusCode() == 304)
           ? resource->response()
           : response;
 
   CrossOriginAccessControl::AccessStatus corsStatus =
       CrossOriginAccessControl::checkAccess(
           responseForAccessControl, resource->options().allowCredentials,
           sourceOrigin);
   if (corsStatus != CrossOriginAccessControl::kAccessAllowed) {
     resource->setCORSFailed();
-    if (!forPreload) {
+    if (!unusedPreload) {
       String resourceType = Resource::resourceTypeToString(
           resource->getType(), resource->options().initiatorInfo.name);
       StringBuilder builder;
       builder.append("Access to ");
       builder.append(resourceType);
       builder.append(" at '");
       builder.append(response.url().getString());
       builder.append("' from origin '");
       builder.append(sourceOrigin->toString());
       builder.append("' has been blocked by CORS policy: ");
@@ skipping 213 matching lines @@
     return;
 
   // Don't activate if cache policy is explicitly set.
   if (request.getCachePolicy() != WebCachePolicy::UseProtocolCachePolicy)
     return;
 
   m_isCacheAwareLoadingActivated = true;
 }
 
 }  // namespace blink