Consolidate scheme checks into an easy GURL method

net/base/network_change_notifier.cc

 // Copyright (c) 2012 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 "net/base/network_change_notifier.h"
 
 #include "base/metrics/histogram.h"
 #include "base/synchronization/lock.h"
 #include "build/build_config.h"
 #include "net/base/net_util.h"
@@ skipping 230 matching lines @@
                                  SinceLast(&last_network_change_));
     } else {
       UMA_HISTOGRAM_MEDIUM_TIMES("NCN.NetworkOfflineChange",
                                  SinceLast(&last_network_change_));
     }
   }
 
   // Record histogram data whenever we receive a packet. Should only be called
   // from the network thread.
   void NotifyDataReceived(const URLRequest& request, int bytes_read) {
-    if (IsLocalhost(request.url().host()) ||
-        !(request.url().SchemeIs("http") || request.url().SchemeIs("https"))) {
+    if (IsLocalhost(request.url().host()) || !request.url().SchemeIsHttp()) {
       return;
     }
 
     base::TimeTicks now = base::TimeTicks::Now();
     base::TimeDelta request_duration = now - request.creation_time();
     if (bytes_read_since_last_connection_change_ == 0) {
       first_byte_after_connection_change_ = now - last_connection_change_;
       fastest_RTT_since_last_connection_change_ = request_duration;
     }
     bytes_read_since_last_connection_change_ += bytes_read;
@@ skipping 441 matching lines @@
   DCHECK(g_network_change_notifier);
   g_network_change_notifier = NULL;
 }
 
 NetworkChangeNotifier::DisableForTest::~DisableForTest() {
   DCHECK(!g_network_change_notifier);
   g_network_change_notifier = network_change_notifier_;
 }
 
 }  // namespace net