[Experimental] Fool around with exposing extension bindings via blink

third_party/WebKit/Source/modules/extensions/DeveloperPrivate.idl

Index: third_party/WebKit/Source/modules/extensions/DeveloperPrivate.idl
diff --git a/third_party/WebKit/Source/modules/extensions/DeveloperPrivate.idl b/third_party/WebKit/Source/modules/extensions/DeveloperPrivate.idl
new file mode 100644
index 0000000000000000000000000000000000000000..20605e4397ca0d70156a49551289f2f568bf5e42
--- /dev/null
+++ b/third_party/WebKit/Source/modules/extensions/DeveloperPrivate.idl
@@ -0,0 +1,11 @@
+// Copyright 2016 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.
+
+[
+    RuntimeEnabled=BlinkCrxBindings,
+] interface DeveloperPrivate {
+    void updateExtensionConfiguration(
+        UpdateExtensionConfigurationParams params,
+        optional VoidCallback callback);
+};