Revert of Communicate ExtensionSettings policy to renderers

chrome/browser/extensions/permissions_updater.cc

 // 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.
 
 #include "chrome/browser/extensions/permissions_updater.h"
 
 #include <utility>
 
 #include "base/memory/ref_counted.h"
 #include "base/values.h"
@@ skipping 128 matching lines @@
   // not the user, removed the permissions. This allows the extension to add
   // them again without prompting the user.
   if (remove_type == REMOVE_HARD) {
     ExtensionPrefs::Get(browser_context_)
         ->RemoveGrantedPermissions(extension->id(), to_remove);
   }
 
   NotifyPermissionsUpdated(REMOVED, extension, to_remove);
 }
 
-void PermissionsUpdater::SetPolicyHostRestrictions(
-    const Extension* extension,
-    const URLPatternSet& runtime_blocked_hosts,
-    const URLPatternSet& runtime_allowed_hosts) {
-  extension->permissions_data()->SetPolicyHostRestrictions(
-      runtime_blocked_hosts, runtime_allowed_hosts);
-
-  // Send notification to the currently running renderers of the runtime block
-  // hosts settings.
-  const PermissionSet perms;
-  NotifyPermissionsUpdated(POLICY, extension, perms);
-}
-
-void PermissionsUpdater::SetUsesDefaultHostRestrictions(
-    const Extension* extension) {
-  extension->permissions_data()->SetUsesDefaultHostRestrictions();
-  const PermissionSet perms;
-  NotifyPermissionsUpdated(POLICY, extension, perms);
-}
-
-void PermissionsUpdater::SetDefaultPolicyHostRestrictions(
-    const URLPatternSet& default_runtime_blocked_hosts,
-    const URLPatternSet& default_runtime_allowed_hosts) {
-  PermissionsData::SetDefaultPolicyHostRestrictions(
-      default_runtime_blocked_hosts, default_runtime_allowed_hosts);
-
-  // Send notification to the currently running renderers of the runtime block
-  // hosts settings.
-  NotifyDefaultPolicyHostRestrictionsUpdated(default_runtime_blocked_hosts,
-                                             default_runtime_allowed_hosts);
-}
-
 void PermissionsUpdater::RemovePermissionsUnsafe(
     const Extension* extension,
     const PermissionSet& to_remove) {
   const PermissionSet& active =
       extension->permissions_data()->active_permissions();
   std::unique_ptr<const PermissionSet> total =
       PermissionSet::CreateDifference(active, to_remove);
   // |successfully_removed| might not equal |to_remove| if |to_remove| contains
   // permissions the extension didn't have.
   std::unique_ptr<const PermissionSet> successfully_removed =
@@ skipping 91 matching lines @@
       new Event(histogram_value, event_name, std::move(value)));
   event->restrict_to_browser_context = browser_context_;
   event_router->DispatchEventToExtension(extension_id, std::move(event));
 }
 
 void PermissionsUpdater::NotifyPermissionsUpdated(
     EventType event_type,
     const Extension* extension,
     const PermissionSet& changed) {
   DCHECK_EQ(0, init_flag_ & INIT_FLAG_TRANSIENT);
-
-  if (changed.IsEmpty() && event_type != POLICY)
+  if (changed.IsEmpty())
     return;
 
   UpdatedExtensionPermissionsInfo::Reason reason;
-  events::HistogramValue histogram_value = events::UNKNOWN;
+  events::HistogramValue histogram_value;
   const char* event_name = NULL;
-  Profile* profile = Profile::FromBrowserContext(browser_context_);
 
   if (event_type == REMOVED) {
     reason = UpdatedExtensionPermissionsInfo::REMOVED;
     histogram_value = events::PERMISSIONS_ON_REMOVED;
     event_name = permissions::OnRemoved::kEventName;
-  } else if (event_type == ADDED) {
+  } else {
+    CHECK_EQ(ADDED, event_type);
     reason = UpdatedExtensionPermissionsInfo::ADDED;
     histogram_value = events::PERMISSIONS_ON_ADDED;
     event_name = permissions::OnAdded::kEventName;
-  } else {
-    DCHECK_EQ(POLICY, event_type);
-    reason = UpdatedExtensionPermissionsInfo::POLICY;
   }
 
   // Notify other APIs or interested parties.
-  UpdatedExtensionPermissionsInfo info =
-      UpdatedExtensionPermissionsInfo(extension, changed, reason);
+  UpdatedExtensionPermissionsInfo info = UpdatedExtensionPermissionsInfo(
+      extension, changed, reason);
+  Profile* profile = Profile::FromBrowserContext(browser_context_);
   content::NotificationService::current()->Notify(
       extensions::NOTIFICATION_EXTENSION_PERMISSIONS_UPDATED,
       content::Source<Profile>(profile),
       content::Details<UpdatedExtensionPermissionsInfo>(&info));
 
   ExtensionMsg_UpdatePermissions_Params params;
   params.extension_id = extension->id();
   params.active_permissions = ExtensionMsg_PermissionSetStruct(
       extension->permissions_data()->active_permissions());
   params.withheld_permissions = ExtensionMsg_PermissionSetStruct(
       extension->permissions_data()->withheld_permissions());
-  params.uses_default_policy_host_restrictions =
-      extension->permissions_data()->UsesDefaultPolicyHostRestrictions();
-  if (!params.uses_default_policy_host_restrictions) {
-    params.policy_blocked_hosts =
-        extension->permissions_data()->policy_blocked_hosts();
-    params.policy_allowed_hosts =
-        extension->permissions_data()->policy_allowed_hosts();
-  }
 
   // Send the new permissions to the renderers.
   for (RenderProcessHost::iterator i(RenderProcessHost::AllHostsIterator());
        !i.IsAtEnd(); i.Advance()) {
     RenderProcessHost* host = i.GetCurrentValue();
     if (profile->IsSameProfile(
             Profile::FromBrowserContext(host->GetBrowserContext()))) {
       host->Send(new ExtensionMsg_UpdatePermissions(params));
     }
   }
 
-  // Trigger the onAdded and onRemoved events in the extension. We explicitly
-  // don't do this for policy-related events.
-  if (event_name)
-    DispatchEvent(extension->id(), histogram_value, event_name, changed);
-}
-
-// Notify the renderers that extension policy (policy_blocked_hosts) is updated
-// and provide new set of hosts.
-void PermissionsUpdater::NotifyDefaultPolicyHostRestrictionsUpdated(
-    const URLPatternSet& default_runtime_blocked_hosts,
-    const URLPatternSet& default_runtime_allowed_hosts) {
-  DCHECK_EQ(0, init_flag_ & INIT_FLAG_TRANSIENT);
-
-  Profile* profile = Profile::FromBrowserContext(browser_context_);
-
-  ExtensionMsg_UpdateDefaultPolicyHostRestrictions_Params params;
-  params.default_policy_blocked_hosts = default_runtime_blocked_hosts;
-  params.default_policy_allowed_hosts = default_runtime_allowed_hosts;
-
-  // Send the new policy to the renderers.
-  for (RenderProcessHost::iterator host_iterator(
-           RenderProcessHost::AllHostsIterator());
-       !host_iterator.IsAtEnd(); host_iterator.Advance()) {
-    RenderProcessHost* host = host_iterator.GetCurrentValue();
-    if (profile->IsSameProfile(
-            Profile::FromBrowserContext(host->GetBrowserContext()))) {
-      host->Send(new ExtensionMsg_UpdateDefaultPolicyHostRestrictions(params));
-    }
-  }
+  // Trigger the onAdded and onRemoved events in the extension.
+  DispatchEvent(extension->id(), histogram_value, event_name, changed);
 }
 
 }  // namespace extensions