Updating JSON Schema Compiler to add description field to schemas.

chrome/common/extensions/api/app_window.idl

Index: chrome/common/extensions/api/app_window.idl
diff --git a/chrome/common/extensions/api/app_window.idl b/chrome/common/extensions/api/app_window.idl
index c4a258b6ff92ffb2c3135ff2d8ae2a0ea6f9e26a..d4e1b4084529a16acd1bbbca99451fd9b6043386 100644
--- a/chrome/common/extensions/api/app_window.idl
+++ b/chrome/common/extensions/api/app_window.idl
@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// Use the <code>chrome.app.window</code> API to create windows. Windows
+// have an optional frame with title bar and size controls. They are not
+// associated with any Chrome browser windows.
 namespace app.window {
   dictionary Bounds {
     long? left;