Revert of Communicate ExtensionSettings policy to renderers

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 2b8597e752c23ef519bf6585da5075edb73f484e..249c7048e6b1a4aeba0787efdaa5f4cadcf87bc2 100644
--- a/chrome/browser/extensions/permissions_updater.h
+++ b/chrome/browser/extensions/permissions_updater.h
@@ -19,7 +19,6 @@
 
 class Extension;
 class PermissionSet;
-class URLPatternSet;
 
 // Updates an Extension's active and granted permissions in persistent storage
 // and notifies interested parties of the changes.
@@ -82,21 +81,6 @@
   void RemovePermissionsUnsafe(const Extension* extension,
                                const PermissionSet& permissions);
 
-  // Sets list of hosts |extension| may not interact with (overrides default).
-  void SetPolicyHostRestrictions(const Extension* extension,
-                                 const URLPatternSet& runtime_blocked_hosts,
-                                 const URLPatternSet& runtime_allowed_hosts);
-
-  // Sets extension to use the default list of policy host restrictions.
-  void SetUsesDefaultHostRestrictions(const Extension* extension);
-
-  // Sets list of hosts extensions may not interact with. Extension specific
-  // exceptions to this default policy are defined with
-  // SetPolicyHostRestrictions.
-  void SetDefaultPolicyHostRestrictions(
-      const URLPatternSet& default_runtime_blocked_hosts,
-      const URLPatternSet& default_runtime_allowed_hosts);
-
   // Returns the set of revokable permissions.
   std::unique_ptr<const PermissionSet> GetRevokablePermissions(
       const Extension* extension) const;
@@ -114,7 +98,6 @@
   enum EventType {
     ADDED,
     REMOVED,
-    POLICY,
   };
 
   // Sets the |extension|'s active permissions to |active| and records the
@@ -140,14 +123,6 @@
                                 const Extension* extension,
                                 const PermissionSet& changed);
 
-  // Issues the relevant events, messages and notifications when the
-  // default scope management policy have changed.
-  // Specifically, this sends the ExtensionMsg_UpdateDefaultHostRestrictions
-  // IPC message.
-  void NotifyDefaultPolicyHostRestrictionsUpdated(
-      const URLPatternSet& default_runtime_blocked_hosts,
-      const URLPatternSet& default_runtime_allowed_hosts);
-
   // The associated BrowserContext.
   content::BrowserContext* browser_context_;