Add migration to WebAssembly information to PNaCl / NaCl docs.

native_client_sdk/doc_generated/nacl-and-pnacl.html

Index: native_client_sdk/doc_generated/nacl-and-pnacl.html
diff --git a/native_client_sdk/doc_generated/nacl-and-pnacl.html b/native_client_sdk/doc_generated/nacl-and-pnacl.html
index f88487cb98152298e97b90bcf9d6ec1daa95bfdf..f5b76ab902b56e017c16f092fb8f52df56f00bdf 100644
--- a/native_client_sdk/doc_generated/nacl-and-pnacl.html
+++ b/native_client_sdk/doc_generated/nacl-and-pnacl.html
@@ -1,7 +1,15 @@
 {{+bindTo:partials.standard_nacl_article}}
 
-<section id="nacl-and-pnacl">
-<span id="id1"></span><h1 id="nacl-and-pnacl"><span id="id1"></span>NaCl and PNaCl</h1>
+<b><font color="#cc0000">
+NOTE:
+Deprecation of the technologies described here has been announced
+for platforms other than ChromeOS.<br/>
+Please visit our
+<a href="/native-client/migration">migration guide</a>
+for details.
+</font></b>
+<hr/><section id="id1">
+<h1 id="id1">NaCl and PNaCl</h1>
 <p>This document describes the differences between <strong>Native Client</strong> and
 <strong>Portable Native Client</strong>, and provides recommendations for when to use each.</p>
 <div class="contents local" id="contents" style="display: none">