Add a Pepper IDL generator to the JSON schema compiler.

tools/json_schema_compiler/templates/ppapi/base.template

Index: tools/json_schema_compiler/templates/ppapi/base.template
diff --git a/tools/json_schema_compiler/templates/ppapi/base.template b/tools/json_schema_compiler/templates/ppapi/base.template
new file mode 100644
index 0000000000000000000000000000000000000000..df1aa8ef889ad7676ce921cada08d7807abfd856
--- /dev/null
+++ b/tools/json_schema_compiler/templates/ppapi/base.template
@@ -0,0 +1,14 @@
+{# Copyright 2013 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. -#}
+
+// Copyright {{ year }} 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.
+
+// GENERATED FROM THE API DEFINITION IN
+//   {{ source_file }}
+// DO NOT EDIT.
+
+{% block content %}
+{% endblock %}