Report nav timing 2 instance as soon as it's requested.

third_party/WebKit/Source/platform/network/ResourceTimingInfo.cpp

 // Copyright 2015 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 "platform/network/ResourceTimingInfo.h"
 
 #include "platform/CrossThreadCopier.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 namespace blink {
 
-std::unique_ptr<ResourceTimingInfo> ResourceTimingInfo::adopt(
+PassRefPtr<ResourceTimingInfo> ResourceTimingInfo::adopt(
     std::unique_ptr<CrossThreadResourceTimingInfoData> data) {
-  std::unique_ptr<ResourceTimingInfo> info = ResourceTimingInfo::create(
+  RefPtr<ResourceTimingInfo> info = ResourceTimingInfo::create(
       AtomicString(data->m_type), data->m_initialTime, data->m_isMainResource);
   info->m_originalTimingAllowOrigin =
       AtomicString(data->m_originalTimingAllowOrigin);
   info->m_loadFinishTime = data->m_loadFinishTime;
   info->m_initialURL = data->m_initialURL.copy();
   info->m_finalResponse = ResourceResponse(data->m_finalResponse.get());
   for (auto& responseData : data->m_redirectChain)
     info->m_redirectChain.push_back(ResourceResponse(responseData.get()));
   info->m_transferSize = data->m_transferSize;
-  return info;
+  return info.release();
 }
 
 std::unique_ptr<CrossThreadResourceTimingInfoData>
 ResourceTimingInfo::copyData() const {
   std::unique_ptr<CrossThreadResourceTimingInfoData> data =
       WTF::wrapUnique(new CrossThreadResourceTimingInfoData);
   data->m_type = m_type.getString().isolatedCopy();
   data->m_originalTimingAllowOrigin =
       m_originalTimingAllowOrigin.getString().isolatedCopy();
   data->m_initialTime = m_initialTime;
@@ skipping 15 matching lines @@
   if (crossOrigin) {
     m_hasCrossOriginRedirect = true;
     m_transferSize = 0;
   } else {
     DCHECK_GE(redirectResponse.encodedDataLength(), 0);
     m_transferSize += redirectResponse.encodedDataLength();
   }
 }
 
 }  // namespace blink