Reland [Resource Timing] Expose redirect timing information

Source/core/loader/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 228 matching lines @@
     // Store the previous URL because we may modify it.
     KURL previousURL = m_request.url();
     RefPtr<ResourceLoader> protect(this);
 
     ASSERT(!request.isNull());
     if (!redirectResponse.isNull()) {
         if (!m_host->shouldRequest(m_resource, request, m_options)) {
             cancel();
             return;
         }
-
+        m_host->redirectReceived(m_resource, redirectResponse);
         m_resource->willSendRequest(request, redirectResponse);
     }
 
     if (request.isNull() || m_state == Terminated)
         return;
 
     m_host->willSendRequest(m_resource, request, redirectResponse, m_options);
+    request.setReportLoadTiming(true);
     m_request = request;
 
     if (request.isNull())
         cancel();
 }
 
 void ResourceLoader::didReceiveCachedMetadata(ResourceHandle*, const char* data, int length)
 {
     ASSERT(m_state == Initialized);
     m_resource->setSerializedCachedMetadata(data, length);
@@ skipping 107 matching lines @@
 
     releaseResources();
 }
 
 bool ResourceLoader::isLoadedBy(ResourceLoaderHost* loader) const
 {
     return m_host->isLoadedBy(loader);
 }
 
 }