Consolidate scheme checks into an easy GURL method

chrome/browser/net/predictor_tab_helper.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 "chrome/browser/net/predictor_tab_helper.h"
 
 #include "chrome/browser/net/predictor.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/frame_navigate_params.h"
@@ skipping 24 matching lines @@
     : content::WebContentsObserver(web_contents) {
 }
 
 PredictorTabHelper::~PredictorTabHelper() {
 }
 
 void PredictorTabHelper::DidNavigateMainFrame(
     const content::LoadCommittedDetails& details,
     const content::FrameNavigateParams& params) {
   if (!IsUserLinkNavigationRequest(params.transition) ||
-      !(params.url.SchemeIs("http") || params.url.SchemeIs("https")))
+      !(params.url.SchemeIsHTTPOrHTTPS()))
     return;
 
   Profile* profile = Profile::FromBrowserContext(
       web_contents()->GetBrowserContext());
   Predictor* predictor = profile->GetNetworkPredictor();
   if (predictor) {
     BrowserThread::PostTask(
         BrowserThread::IO,
         FROM_HERE,
         base::Bind(&Predictor::RecordLinkNavigation,
                    base::Unretained(predictor),
                    params.url));
   }
 }
 
 }  // namespace chrome_browser_net