Handle <link rel=prerender> in chrome.

content/common/common_param_traits.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.
 
 #include "content/common/common_param_traits.h"
 
 #include "content/common/content_constants.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/upload_data.h"
 #include "net/http/http_response_headers.h"
@@ skipping 103 matching lines @@
       break;
     case ResourceType::WORKER:
       type = "WORKER";
       break;
     case ResourceType::SHARED_WORKER:
       type = "SHARED_WORKER";
       break;
     case ResourceType::PREFETCH:
       type = "PREFETCH";
       break;
+    case ResourceType::PRERENDER:
+      type = "PRERENDER";
+      break;
     case ResourceType::FAVICON:
       type = "FAVICON";
       break;
     default:
       type = "UNKNOWN";
       break;
   }
 
   LogParam(type, l);
 }
@@ skipping 419 matching lines @@
   const SkBitmap_Data* bmp_data =
       reinterpret_cast<const SkBitmap_Data*>(fixed_data);
   return bmp_data->InitSkBitmapFromData(r, variable_data, variable_data_size);
 }
 
 void ParamTraits<SkBitmap>::Log(const SkBitmap& p, std::string* l) {
   l->append("<SkBitmap>");
 }
 
 }  // namespace IPC