Add migration to WebAssembly information to PNaCl / NaCl docs.

native_client_sdk/doc_generated/devguide/devcycle/debugging.html

Index: native_client_sdk/doc_generated/devguide/devcycle/debugging.html
diff --git a/native_client_sdk/doc_generated/devguide/devcycle/debugging.html b/native_client_sdk/doc_generated/devguide/devcycle/debugging.html
index 300dffc9031e767ff279344e7a2c917897899b8f..89e4f63a8f4fc72ce2f48954cc34f4323edb8a7b 100644
--- a/native_client_sdk/doc_generated/devguide/devcycle/debugging.html
+++ b/native_client_sdk/doc_generated/devguide/devcycle/debugging.html
@@ -1,7 +1,15 @@
 {{+bindTo:partials.standard_nacl_article}}
 
-<section id="debugging">
-<span id="devcycle-debugging"></span><h1 id="debugging"><span id="devcycle-debugging"></span>Debugging</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="debugging">
+<h1 id="debugging">Debugging</h1>
 <p>This document describes tools and techniques you can use to debug, monitor,
 and measure your application&#8217;s performance.</p>
 <div class="contents local" id="table-of-contents" style="display: none">