Handle <link rel=prerender> in chrome.

webkit/glue/weburlloader_impl.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // An implementation of WebURLLoader in terms of ResourceLoaderBridge.
 
 #include "webkit/glue/weburlloader_impl.h"
 
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 117 matching lines @@
     case WebURLRequest::TargetIsObject:
       return ResourceType::OBJECT;
     case WebURLRequest::TargetIsMedia:
       return ResourceType::MEDIA;
     case WebURLRequest::TargetIsWorker:
       return ResourceType::WORKER;
     case WebURLRequest::TargetIsSharedWorker:
       return ResourceType::SHARED_WORKER;
     case WebURLRequest::TargetIsPrefetch:
       return ResourceType::PREFETCH;
+    case WebURLRequest::TargetIsPrerender:
+      return ResourceType::PRERENDER;
     case WebURLRequest::TargetIsFavicon:
       return ResourceType::FAVICON;
     default:
       NOTREACHED();
       return ResourceType::SUB_RESOURCE;
   }
 }
 
 // Extracts the information from a data: url.
 bool GetInfoFromDataURL(const GURL& url,
@@ skipping 607 matching lines @@
 
 void WebURLLoaderImpl::cancel() {
   context_->Cancel();
 }
 
 void WebURLLoaderImpl::setDefersLoading(bool value) {
   context_->SetDefersLoading(value);
 }
 
 }  // namespace webkit_glue