don't display platform app resources in normal browser windows

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index 0d461da3e268076475d4ff61f26dfe79db6521bf..d2fc5164b3a590a940f8a3ece205e624268f4043 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -386,6 +386,10 @@ class ExtensionService
   // permissions the given extension has been granted.
   bool ExtensionBindingsAllowed(const GURL& url);
 
+  // Returns true if a normal browser window should avoid showing |url| in a
+  // tab.
+  bool ShouldNotDisplayUrlInBrowserTab(const GURL& url);
+
   // Returns the icon to display in the omnibox for the given extension.
   gfx::Image GetOmniboxIcon(const std::string& extension_id);