Normalize chrome://foo/ trailing slashes, ChromeURLHostEquals comparison, RIP dead consts.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 9501f5a70bb1969c3087da6f1a1160c15ed83c89..a414e3ad3078d71fea62d016029f291571a20623 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -1585,8 +1585,9 @@ void Browser::ToggleFullscreenMode() {
 #if defined(OS_CHROMEOS)
 void Browser::Search() {
   // If the NTP is showing, close it.
-  if (StartsWithASCII(GetSelectedTabContents()->GetURL().spec(),
-                       chrome::kChromeUINewTabURL, true)) {
+  const GURL& url = GetSelectedTabContents()->GetURL();
+  if (url.SchemeIs(chrome::kChromeUIScheme) &&
+      LowerCaseEqualsASCII(url.host(), chrome::kChromeUINewTabHost)) {
     CloseTab();
     return;
   }