Make ResourceLoadViaDataPipe enabled by default

Bug: 894819
Change-Id: Iae4624aeddfe755ce7fd34ce797d89fc0dfad039
Reviewed-on: https://chromium-review.googlesource.com/c/1428626
Auto-Submit: Makoto Shimazu <shimazu@chromium.org>
Reviewed-by: Yutaka Hirano <yhirano@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Commit-Queue: Makoto Shimazu <shimazu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#626941}

third_party/blink/common/features.cc

@@ -114,7 +114,7 @@ const base::Feature kRTCOfferExtmapAllowMixed{
 // WebURLLoaderClient::DidStartLoadingResponseBody() instead of
 // WebURLLoaderClient::DidReceiveData().
 const base::Feature kResourceLoadViaDataPipe{"ResourceLoadViaDataPipe",
-                                             base::FEATURE_DISABLED_BY_DEFAULT};
+                                             base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kServiceWorkerImportedScriptUpdateCheck{
     "ServiceWorkerImportedScriptUpdateCheck",