Consolidate scheme checks into an easy GURL method

chrome/browser/prerender/prerender_util.cc

 // Copyright (c) 2011 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/prerender/prerender_util.h"
 
 #include "base/logging.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/strings/string_util.h"
 #include "content/public/browser/resource_request_info.h"
@@ skipping 61 matching lines @@
 
 bool IsGoogleSearchResultURL(const GURL& url) {
   if (!IsGoogleDomain(url))
     return false;
   return (url.path().empty() ||
           StartsWithASCII(url.path(), std::string("/search"), true) ||
           (url.path() == "/") ||
           StartsWithASCII(url.path(), std::string("/webhp"), true));
 }
 
-bool IsWebURL(const GURL& url) {
-  return url.SchemeIs("http") || url.SchemeIs("https");
-}
-
 bool IsNoSwapInExperiment(uint8 experiment_id) {
   // Currently, experiments 5 and 6 fall in this category.
   return experiment_id == 5 || experiment_id == 6;
 }
 
 bool IsControlGroupExperiment(uint8 experiment_id) {
   // Currently, experiments 7 and 8 fall in this category.
   return experiment_id == 7 || experiment_id == 8;
 }
 
 void URLRequestResponseStarted(net::URLRequest* request) {
   static const char* kModPagespeedHeader = "X-Mod-Pagespeed";
   static const char* kModPagespeedHistogram = "Prerender.ModPagespeedHeader";
   const content::ResourceRequestInfo* info =
       content::ResourceRequestInfo::ForRequest(request);
   // Gather histogram information about the X-Mod-Pagespeed header.
   if (info->GetResourceType() == ResourceType::MAIN_FRAME &&
-      IsWebURL(request->url())) {
+      request->url().SchemeIsHTTPOrHTTPS()) {
     UMA_HISTOGRAM_SPARSE_SLOWLY(kModPagespeedHistogram, 0);
     if (request->response_headers() &&
         request->response_headers()->HasHeader(kModPagespeedHeader)) {
       UMA_HISTOGRAM_SPARSE_SLOWLY(kModPagespeedHistogram, 1);
 
       // Attempt to parse the version number, and encode it in buckets
       // 2 through 99. 0 and 1 are used to store all pageviews and
       // # pageviews with the MPS header (see above).
       void* iter = NULL;
       std::string mps_version;
@@ skipping 13 matching lines @@
           if (output < 2 || output >= 99)
             output = 99;
           UMA_HISTOGRAM_SPARSE_SLOWLY(kModPagespeedHistogram, output);
         }
       }
     }
   }
 }
 
 }  // namespace prerender