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

chrome/browser/extensions/extension_install_ui.cc

Index: chrome/browser/extensions/extension_install_ui.cc
diff --git a/chrome/browser/extensions/extension_install_ui.cc b/chrome/browser/extensions/extension_install_ui.cc
index 783ccdc446a55f5f99aa0413da17876b4192a48a..ab6c353bba5547e1d19c409688204b97854a613e 100644
--- a/chrome/browser/extensions/extension_install_ui.cc
+++ b/chrome/browser/extensions/extension_install_ui.cc
@@ -69,9 +69,9 @@ void ShowAppInstalledAnimation(Browser* browser, const std::string& app_id) {
   // Select an already open NTP, if there is one. Existing NTPs will
   // automatically show the install animation for any new apps.
   for (int i = 0; i < browser->tab_count(); ++i) {
-    TabContents* tab_contents = browser->GetTabContentsAt(i);
-    GURL url = tab_contents->GetURL();
-    if (StartsWithASCII(url.spec(), chrome::kChromeUINewTabURL, false)) {
+    GURL url = browser->GetTabContentsAt(i)->GetURL();
+    if (url.SchemeIs(chrome::kChromeUIScheme) &&
+        LowerCaseEqualsASCII(url.host(), chrome::kChromeUINewTabHost)) {
       browser->ActivateTabAt(i, false);
       return;
     }
@@ -79,7 +79,7 @@ void ShowAppInstalledAnimation(Browser* browser, const std::string& app_id) {
 
   // If there isn't an NTP, open one and pass it the ID of the installed app.
   std::string url = base::StringPrintf(
-      "%s/#app-id=%s", chrome::kChromeUINewTabURL, app_id.c_str());
+      "%s#app-id=%s", chrome::kChromeUINewTabURL, app_id.c_str());
   browser->AddSelectedTabWithURL(GURL(url), PageTransition::TYPED);
 }