Shows chrome-extension urls and greys out the whole url.

content/browser/webui/web_ui_impl.cc

Index: content/browser/webui/web_ui_impl.cc
diff --git a/content/browser/webui/web_ui_impl.cc b/content/browser/webui/web_ui_impl.cc
index 5155702e6ca6c400382966d76e46cafb260b12b2..a7e86af29be3939db1612ee45ea5832367a27096 100644
--- a/content/browser/webui/web_ui_impl.cc
+++ b/content/browser/webui/web_ui_impl.cc
@@ -48,6 +48,7 @@ WebUIImpl::WebUIImpl(WebContents* contents)
     : hide_favicon_(false),
       focus_location_bar_by_default_(false),
       should_hide_url_(false),
+      should_grey_out_url_(false),
       link_transition_type_(PAGE_TRANSITION_LINK),
       bindings_(BINDINGS_POLICY_WEB_UI),
       web_contents_(contents) {
@@ -135,6 +136,14 @@ void WebUIImpl::HideURL() {
   should_hide_url_ = true;
 }
 
+bool WebUIImpl::ShouldGreyOutURL() const {
+  return should_grey_out_url_;
+}
+
+void WebUIImpl::GreyOutURL() {
+  should_grey_out_url_ = true;
+}
+
 const string16& WebUIImpl::GetOverriddenTitle() const {
   return overridden_title_;
 }