Remove url_replacement logic from Omnibox/ToolbarModel

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm

Index: chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
index 0072144a58861c672a9da3c01c9e6d069ce92795..62821090b35cc488e483bb06132d7f62d88b76b2 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
@@ -283,10 +283,6 @@ void OmniboxViewMac::ResetTabState(WebContents* web_contents) {
 
 void OmniboxViewMac::Update() {
   if (model()->UpdatePermanentText()) {
-    // Something visibly changed.  Re-enable URL replacement.
-    controller()->GetToolbarModel()->set_url_replacement_enabled(true);
-    model()->UpdatePermanentText();
-
     const bool was_select_all = IsSelectAll();
     NSTextView* text_view =
         base::mac::ObjCCastStrict<NSTextView>([field_ currentEditor]);