Support "always allow" for runtime script execution

chrome/browser/extensions/permissions_updater.h

Index: chrome/browser/extensions/permissions_updater.h
diff --git a/chrome/browser/extensions/permissions_updater.h b/chrome/browser/extensions/permissions_updater.h
index f22cdc668bb779a23dbfc435c42943c0e748a2a0..c567f137e2ee8dda7a50f07b8956bafe00891c6e 100644
--- a/chrome/browser/extensions/permissions_updater.h
+++ b/chrome/browser/extensions/permissions_updater.h
@@ -9,6 +9,8 @@
 
 #include "base/memory/ref_counted.h"
 
+class URLPattern;
+

[gpdavis, 2014/07/15 21:56:38]

Will remove (see below)

 namespace base {
 class DictionaryValue;
 }
@@ -56,6 +58,10 @@ class PermissionsUpdater {
   // Revokes any requests all-hosts (or all-hosts-like) permissions.
   void WithholdImpliedAllHosts(const Extension* extension);
 
+  void AddAlwaysAllow(const Extension* extensions, const URLPattern* pattern);
+
+  void ClearAlwaysAllow(const Extension* extensions);
+

[gpdavis, 2014/07/15 21:56:38]

Oops-- I originally added these here, but decided they belonged in prefs and
forgot to remove the prototypes.  Ignore these for now-- they'll be gone in the
next patch set.

  private:
   enum EventType {
     ADDED,