Consolidate scheme checks into an easy GURL method

chrome/browser/prerender/prerender_histograms.cc

Index: chrome/browser/prerender/prerender_histograms.cc
diff --git a/chrome/browser/prerender/prerender_histograms.cc b/chrome/browser/prerender/prerender_histograms.cc
index fba4c52b4b306e85009b77184ac81f65bd564ef3..7e7fd42836e0f29aaa611ff96d5e8a748ccc4469 100644
--- a/chrome/browser/prerender/prerender_histograms.cc
+++ b/chrome/browser/prerender/prerender_histograms.cc
@@ -250,7 +250,7 @@ void PrerenderHistograms::RecordPerceivedPageLoadTime(
     base::TimeDelta perceived_page_load_time,
     bool was_prerender,
     bool was_complete_prerender, const GURL& url) {
-  if (!IsWebURL(url))
+  if (!url.SchemeIsHTTPOrHTTPS())
     return;
   bool within_window = WithinWindow();
   bool is_google_url = IsGoogleDomain(url);
@@ -303,7 +303,7 @@ void PrerenderHistograms::RecordPageLoadTimeNotSwappedIn(
     const GURL& url) const {
   // If the URL to be prerendered is not a http[s] URL, or is a Google URL,
   // do not record.
-  if (!IsWebURL(url) || IsGoogleDomain(url))
+  if (!url.SchemeIsHTTPOrHTTPS() || IsGoogleDomain(url))
     return;
   RECORD_PLT("PrerenderNotSwappedInPLT", page_load_time);
 }