Support "always allow" for runtime script execution

chrome/browser/extensions/permissions_updater.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__
 #define CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 
+class URLPattern;
+

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

Will remove (see below)

 namespace base {
 class DictionaryValue;
 }
 
 namespace content {
 class BrowserContext;
 }
 
 namespace extensions {
 
@@ skipping 27 matching lines @@
   // permissions currently requested by the extension and all the permissions
   // required by the extension.
   void InitializePermissions(const Extension* extension);
 
   // Grants any withheld all-hosts (or all-hosts-like) permissions.
   void GrantWithheldImpliedAllHosts(const Extension* extension);
 
   // 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,
     REMOVED,
   };
 
   // Sets the |extension|'s active permissions to |active| and records the
   // change in the prefs. If |withheld| is non-null, also sets the extension's
   // withheld permissions to |withheld|. Otherwise, |withheld| permissions are
   // not changed.
@@ skipping 15 matching lines @@
                                 const Extension* extension,
                                 const PermissionSet* changed);
 
   // The associated BrowserContext.
   content::BrowserContext* browser_context_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_PERMISSIONS_UPDATER_H__