Revise about: and chrome: url handling.

chrome/browser/tabs/tab_strip_model.cc

Index: chrome/browser/tabs/tab_strip_model.cc
diff --git a/chrome/browser/tabs/tab_strip_model.cc b/chrome/browser/tabs/tab_strip_model.cc
index ea3977e2999eb562da80c0ac1da047155999f80e..8750483e4795f1de585663ad7139809dcec0d1ff 100644
--- a/chrome/browser/tabs/tab_strip_model.cc
+++ b/chrome/browser/tabs/tab_strip_model.cc
@@ -22,7 +22,6 @@
 #include "chrome/browser/tabs/tab_strip_model_delegate.h"
 #include "chrome/browser/tabs/tab_strip_model_order_controller.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
-#include "chrome/browser/ui/webui/web_ui_util.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/url_constants.h"
 #include "content/browser/renderer_host/render_process_host.h"
@@ -1104,9 +1103,10 @@ std::vector<int> TabStripModel::GetIndicesForCommand(int index) const {
 bool TabStripModel::IsNewTabAtEndOfTabStrip(
     TabContentsWrapper* contents) const {
   const GURL& url = contents->tab_contents()->GetURL();
-  return web_ui_util::ChromeURLHostEquals(url, chrome::kChromeUINewTabHost) &&
-      contents == GetContentsAt(count() - 1) &&
-      contents->controller().entry_count() == 1;
+  return url.SchemeIs(chrome::kChromeUIScheme) &&
+         url.host() == chrome::kChromeUINewTabHost &&
+         contents == GetContentsAt(count() - 1) &&
+         contents->controller().entry_count() == 1;
 }
 
 bool TabStripModel::InternalCloseTabs(const std::vector<int>& in_indices,