Extensions Docs Server: Fix headings with no IDs

chrome/common/extensions/docs/templates/articles/app_csp.html

Index: chrome/common/extensions/docs/templates/articles/app_csp.html
diff --git a/chrome/common/extensions/docs/templates/articles/app_csp.html b/chrome/common/extensions/docs/templates/articles/app_csp.html
index 3af785cb11510949e193fb011fb52f1395b4da4b..ed754acce4c66b4fc12957d969859a2ec564b065 100644
--- a/chrome/common/extensions/docs/templates/articles/app_csp.html
+++ b/chrome/common/extensions/docs/templates/articles/app_csp.html
@@ -83,7 +83,7 @@ You may also want to access external resources in your app
 (external images, content from websites).
 </p>
 
-<h3>Use templating libraries</h3>
+<h3 id="templating">Use templating libraries</h3>
 
 <p>
 Use a library that offers precompiled templates
@@ -101,7 +101,7 @@ your sandboxed content can't directly interact with these APIs
 (see <a href="app_external.html#sandboxing">Sandbox local content</a>).
 </p>
 
-<h3>Access remote resources</h3>
+<h3 id="remote_resources">Access remote resources</h3>
 
 <p>
 You can fetch remote resources via <code>XMLHttpRequest</code>
@@ -115,7 +115,7 @@ Video and audio can be loaded from remote services
 because they have good fallback behavior when offline or under spotty connectivity.
 </p>
 
-<h3>Embed web content</h3>
+<h3 id="embed_content">Embed web content</h3>
 
 <p>
 Instead of using an iframe,