Don't wait for AppCache for link rel preloads

third_party/WebKit/Source/core/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ skipping 427 matching lines @@
     // When the embedder gets notified (above) that the new navigation has
     // committed, the embedder will drop the old Content Security Policy and
     // therefore now is a good time to report to the embedder the Content
     // Security Policies that have accumulated so far for the new navigation.
     m_frame->securityContext()->contentSecurityPolicy()->reportAccumulatedHeaders(client());
 
     // didObserveLoadingBehavior() must be called after dispatchDidCommitLoad() is called for the metrics tracking logic to handle it properly.
     if (client()->isControlledByServiceWorker(*m_documentLoader))
         client()->didObserveLoadingBehavior(WebLoadingBehaviorServiceWorkerControlled);
 
+    // Links with media values need more information (like viewport
+    // information). This happens after the first chunk is parsed in
+    // HTMLDocumentParser.
+    m_documentLoader->dispatchLinkHeaderPreloads(nullptr, LinkLoader::OnlyLoadNonMedia);
+
     TRACE_EVENT1("devtools.timeline", "CommitLoad", "data", InspectorCommitLoadEvent::data(m_frame));
     InspectorInstrumentation::didCommitLoad(m_frame, m_documentLoader.get());
     m_frame->page()->didCommitLoad(m_frame);
     dispatchDidClearDocumentOfWindowObject();
 
     takeObjectSnapshot();
 }
 
 void FrameLoader::didInstallNewDocument(bool dispatchWindowObjectAvailable)
 {
@@ skipping 1158 matching lines @@
     tracedValue->setString("documentLoaderURL", m_documentLoader ? m_documentLoader->url() : String());
     return tracedValue;
 }
 
 inline void FrameLoader::takeObjectSnapshot() const
 {
     TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID("loading", "FrameLoader", this, toTracedValue());
 }
 
 } // namespace blink