Introduce chrome://flags/#network-prediction-options-for-service-worker

chrome/browser/flag_descriptions.cc

Index: chrome/browser/flag_descriptions.cc
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 183f225d462502060f4facf17cb41ce7f3203f01..e30e25d99765681ec53dfa20cec57950dfe66872 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -2866,6 +2866,12 @@ const char kMojoLoadingName[] = "Use Mojo IPC for resource loading";
 const char kMojoLoadingDescription[] =
     "Use Mojo IPC instead of traditional Chrome IPC for resource loading.";
 
+const char kNetworkPredictionOptionsForServiceWorkerName[] =
+    "Network prediction options for service worker";
+
+const char kNetworkPredictionOptionsForServiceWorkerDescription[] =
+    "Network predictor options for service worker controlled pages.";
+
 #if defined(OS_ANDROID)
 
 const char kUseNewDoodleApiName[] = "Use new Doodle API";