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

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 b2d44dfffd1b3322b37b344429c5089a91aa77bd..af5d95266b6df8a63c7a527d5673c23da19aa029 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm
@@ -23,6 +23,7 @@
 #include "chrome/browser/ui/omnibox/omnibox_popup_model.h"
 #include "chrome/browser/ui/toolbar/toolbar_model.h"
 #include "content/public/browser/web_contents.h"
+#include "extensions/common/constants.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #import "third_party/mozilla/NSPasteboard+Utils.h"
@@ -448,13 +449,17 @@ void OmniboxViewMac::ApplyTextAttributes(const string16& display_text,
   url_parse::Component scheme, host;
   AutocompleteInput::ParseForEmphasizeComponents(
       display_text, &scheme, &host);
-  const bool emphasize = model()->CurrentTextIsURL() && (host.len > 0);
-  if (emphasize) {
+  bool grey_out_url = GetText().substr(scheme.begin, scheme.len) ==

[Peter Kasting, 2013/04/11 23:10:40]

Use |display_text| here instead of GetText().

[Patrick Riordan, 2013/04/11 23:27:38]

Done.
Sorry. This patch set was sloppy.

+      UTF8toUTF16(extensions::kExtensionScheme);
+  if (model()->currentTextIsURL() &&
+      (host.is_nonempty() || grey_out_url)) {
     [as addAttribute:NSForegroundColorAttributeName value:BaseTextColor()
                range:as_entire_string];
 
-    [as addAttribute:NSForegroundColorAttributeName value:HostTextColor()
+    if (grey_out_url) {

[Peter Kasting, 2013/04/11 23:10:40]

Isn't this conditional backwards?

[Patrick Riordan, 2013/04/11 23:27:38]

Done.

+      [as addAttribute:NSForegroundColorAttributeName value:HostTextColor()
                range:ComponentToNSRange(host)];
+    }
   }
 
   // TODO(shess): GTK has this as a member var, figure out why.