Fix some UI issues with omnibox extensions in incognito.

chrome/browser/extensions/extensions_service.h

Index: chrome/browser/extensions/extensions_service.h
diff --git a/chrome/browser/extensions/extensions_service.h b/chrome/browser/extensions/extensions_service.h
index 213471c4e27a8f6088a72716c4c909726a5e7a4c..7cc2c9dccec5e373a161a553ef2a0150833ac1b6 100644
--- a/chrome/browser/extensions/extensions_service.h
+++ b/chrome/browser/extensions/extensions_service.h
@@ -181,6 +181,10 @@ class ExtensionsService
   bool IsIncognitoEnabled(const Extension* extension);
   void SetIsIncognitoEnabled(const Extension* extension, bool enabled);
 
+  // Returns true if the given extension can see events and data from another
+  // sub-profile (incognito to original profile, or vice versa).
+  bool CanCrossIncognito(const Extension* extension);
+
   // Whether this extension can inject scripts into pages with file URLs.
   bool AllowFileAccess(const Extension* extension);
   void SetAllowFileAccess(const Extension* extension, bool allow);