Change text of DNS prefetch option to Network prediction option.

chrome/browser/net/predictor_api.cc

Index: chrome/browser/net/predictor_api.cc
diff --git a/chrome/browser/net/predictor_api.cc b/chrome/browser/net/predictor_api.cc
index 232cb9fffe3ca0795abe9e688b39af67a1709a05..b592e473eed2e47555dd9f32edc2f54308f9ae14 100644
--- a/chrome/browser/net/predictor_api.cc
+++ b/chrome/browser/net/predictor_api.cc
@@ -146,7 +146,6 @@ void DiscardInitialNavigationHistory() {
 void RegisterUserPrefs(PrefService* user_prefs) {
   user_prefs->RegisterListPref(prefs::kDnsPrefetchingStartupList);
   user_prefs->RegisterListPref(prefs::kDnsPrefetchingHostReferralList);
-  user_prefs->RegisterBooleanPref(prefs::kDnsPrefetchingEnabled, true);
 }
 
 // When enabled, we use the following instance to service all requests in the
@@ -400,7 +399,7 @@ static void InitNetworkPredictor(TimeDelta max_dns_queue_delay,
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   bool prefetching_enabled =
-      user_prefs->GetBoolean(prefs::kDnsPrefetchingEnabled);
+      user_prefs->GetBoolean(prefs::kNetworkPredictionEnabled);
 
   // Gather the list of hostnames to prefetch on startup.
   UrlList urls =