Set Resource Timing transferSize field in Workers

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

Index: third_party/WebKit/Source/platform/network/ResourceTimingInfo.cpp
diff --git a/third_party/WebKit/Source/platform/network/ResourceTimingInfo.cpp b/third_party/WebKit/Source/platform/network/ResourceTimingInfo.cpp
index fbca3b91ddc76016ff551da389566702624633c0..99fb5f8e2e58253ebc1ad73f37a71c494c32ed23 100644
--- a/third_party/WebKit/Source/platform/network/ResourceTimingInfo.cpp
+++ b/third_party/WebKit/Source/platform/network/ResourceTimingInfo.cpp
@@ -19,6 +19,7 @@ std::unique_ptr<ResourceTimingInfo> ResourceTimingInfo::adopt(std::unique_ptr<Cr
     info->m_finalResponse = ResourceResponse(data->m_finalResponse.get());
     for (auto& responseData : data->m_redirectChain)
         info->m_redirectChain.append(ResourceResponse(responseData.get()));
+    info->m_transferSize = data->m_transferSize;
     return info;
 }