Change streamsPrivate to use an IDL definition file.

chrome/common/extensions/api/streams_private.idl

+// Copyright (c) 2014 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.
+
+namespace streamsPrivate {
+  interface Events {
+    // Fired when a resource is fetched which matches a mime type handled by
+    // this extension. The resource request is cancelled, and the extension is
+    // expected to handle the request. The event is restricted to a small number
+    // of white-listed extensions.
+    static void onExecuteMimeTypeHandler(
+        // The MIME type of the intercepted URL request.

[not at google - send to devlin, 2014/02/12 20:35:16]

only 2 indentation

[Zachary Kuznia, 2014/02/12 23:17:08]

Done.

+        DOMString mimeType,
+        // The original URL that was intercepted.
+        DOMString originalUrl,
+        // The URL that the stream can be read from.
+        DOMString streamUrl,
+        // The ID of the tab that opened the stream. If the stream is not opened
+        // in a tab, it will be -1.
+        long tabId,
+        // The amount of data the Stream should contain, if known.  If there is
+        // no information on the size it will be -1.
+        long expectedContentSize);
+  };
+};