Remove stale-while-revalidate from blink

third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp

Index: third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
diff --git a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
index f7fcd772965cc5c12ac3a9c865d8872eae65906a..596adba64d86b8a6775002e2e350284ecd05409c 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
+++ b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
@@ -699,16 +699,6 @@ void ResourceFetcher::initializeRevalidation(
   if (!eTag.isEmpty())
     revalidatingRequest.setHTTPHeaderField(HTTPNames::If_None_Match, eTag);
 
-  double stalenessLifetime = resource->stalenessLifetime();
-  if (std::isfinite(stalenessLifetime) && stalenessLifetime > 0) {
-    revalidatingRequest.setHTTPHeaderField(
-        HTTPNames::Resource_Freshness,
-        AtomicString(String::format(
-            "max-age=%.0lf,stale-while-revalidate=%.0lf,age=%.0lf",
-            resource->freshnessLifetime(), stalenessLifetime,
-            resource->currentAge())));
-  }
-
   resource->setRevalidatingRequest(revalidatingRequest);
 }