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

chrome/browser/ui/toolbar/toolbar_model_impl.cc

Index: chrome/browser/ui/toolbar/toolbar_model_impl.cc
diff --git a/chrome/browser/ui/toolbar/toolbar_model_impl.cc b/chrome/browser/ui/toolbar/toolbar_model_impl.cc
index 2359f3f368e39616ccdf5c2fcc5f6634e4a41767..851a52cd72a2470035056f802291fb8e82e38acd 100644
--- a/chrome/browser/ui/toolbar/toolbar_model_impl.cc
+++ b/chrome/browser/ui/toolbar/toolbar_model_impl.cc
@@ -179,6 +179,13 @@ bool ToolbarModelImpl::ShouldDisplayURL() const {
   return true;
 }
 
+bool ToolbarModelImpl::ShouldNotEmphasizeHost() const {
+  WebContents* web_contents = delegate_->GetActiveWebContents();
+  if (web_contents && web_contents->GetWebUIForCurrentState())
+    return web_contents->GetWebUIForCurrentState()->ShouldNotEmphasizeHost();
+  return false;
+}
+
 ToolbarModel::SecurityLevel ToolbarModelImpl::GetSecurityLevel() const {
   if (input_in_progress_)  // When editing, assume no security style.
     return NONE;