Don't send unnecessary ExtensionMsg_Loaded IPCs.

chrome/browser/extensions/api/permissions/permissions_apitest.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/api/permissions/permissions_api.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_management_test_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "components/policy/core/browser/browser_policy_connector.h"
@@ skipping 177 matching lines @@
 }
 
 // Test requesting, querying, and removing host permissions for host
 // permissions that are a subset of the optional permissions.
 IN_PROC_BROWSER_TEST_F(ExtensionApiTest, HostSubsets) {
   PermissionsRequestFunction::SetAutoConfirmForTests(true);
   PermissionsRequestFunction::SetIgnoreUserGestureForTests(true);
   EXPECT_TRUE(RunExtensionTest("permissions/host_subsets")) << message_;
 }
 
+// Tests that requesting an optional permission from a background page, with
+// another window open, grants the permission and updates the bindings
+// (chrome.whatever, in this case chrome.alarms). Regression test for
+// crbug.com/435141, see details there for trickiness.
+IN_PROC_BROWSER_TEST_F(ExtensionApiTest, OptionalPermissionsUpdatesBindings) {
+  ASSERT_TRUE(RunExtensionTest("permissions/optional_updates_bindings"))
+      << message_;
+}
+
 }  // namespace extensions