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 175 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);
 
   if (command_line.HasSwitch(switches::kEnableWebVR)) {
     WebRuntimeFeatures::enableWebVR(true);
@@ skipping 16 matching lines @@
   if (command_line.HasSwitch(switches::kDisableBlinkFeatures)) {
     std::vector<std::string> disabled_features = base::SplitString(
         command_line.GetSwitchValueASCII(switches::kDisableBlinkFeatures),
         ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
     for (const std::string& feature : disabled_features)
       WebRuntimeFeatures::enableFeatureFromString(feature, false);
   }
 }
 
 }  // namespace content