Import chrome idl into third_party

third_party/chrome/idl/app_current_window_internal.idl

+// 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.
+
+// This is used by the app window API internally to pass through messages to
+// the shell window.
+[internal, nodoc] namespace app.currentWindowInternal {
+
+  // TODO(asargent) - We need to add support for referencing types in
+  // other namespaces (crbug.com/158654). For now just duplicate this
+  // dictionary from app.window.
+  dictionary Bounds {
+    long? left;
+    long? top;
+    long? width;
+    long? height;
+  };
+
+
+  interface Functions {
+    static void focus();
+    static void minimize();
+    static void maximize();
+    static void restore();
+    static void drawAttention();
+    static void clearAttention();
+    static void show();
+    static void hide();
+    static void setBounds(Bounds bounds);
+    static void setIcon(DOMString icon_url);
+  };
+
+  interface Events {
+    static void onClosed();
+    static void onBoundsChanged();
+    static void onMinimized();
+    static void onMaximized();
+    static void onRestored();
+  };
+};