content::ResourceDispatcherHostImpl changes for stale-while-revalidate

content/child/runtime_features.cc

 // Copyright 2013 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/child/runtime_features.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 171 matching lines @@
 
   if (command_line.HasSwitch(switches::kReducedReferrerGranularity))
     WebRuntimeFeatures::enableReducedReferrerGranularity(true);
 
   if (command_line.HasSwitch(switches::kEnablePushMessagePayload))
     WebRuntimeFeatures::enablePushMessagingData(true);
 
   if (command_line.HasSwitch(switches::kDisablePermissionsAPI))
     WebRuntimeFeatures::enablePermissionsAPI(false);
 
-  // Delete "StaleWhileRevalidate" line from chrome_browser_field_trials.cc
-  // when this experiment is done.
-  if (base::FieldTrialList::FindFullName("StaleWhileRevalidate") == "Enabled" ||
-      command_line.HasSwitch(switches::kEnableStaleWhileRevalidate))
-    WebRuntimeFeatures::enableStaleWhileRevalidateCacheControl(true);
-
   if (command_line.HasSwitch(switches::kDisableV8IdleTasks))
     WebRuntimeFeatures::enableV8IdleTasks(false);
   else
     WebRuntimeFeatures::enableV8IdleTasks(true);
 
   if (command_line.HasSwitch(switches::kEnableUnsafeES3APIs))
     WebRuntimeFeatures::enableUnsafeES3APIs(true);
 
   // Enable explicitly enabled features, and then disable explicitly disabled
   // ones.
@@ skipping 13 matching lines @@
         command_line.GetSwitchValueASCII(switches::kDisableBlinkFeatures), ',',
         &disabled_features);
     for (const std::string& feature : disabled_features) {
       WebRuntimeFeatures::enableFeatureFromString(
           blink::WebString::fromLatin1(feature), false);
     }
   }
 }
 
 }  // namespace content