Remove experimental permission from infobars API and moving it to dev channel

chrome/common/extensions/docs/templates/intros/experimental_infobars.html

Index: chrome/common/extensions/docs/templates/intros/experimental_infobars.html
diff --git a/chrome/common/extensions/docs/templates/intros/experimental_infobars.html b/chrome/common/extensions/docs/templates/intros/experimental_infobars.html
deleted file mode 100644
index d3d0476f67f50506ae785920edd46fd03d629272..0000000000000000000000000000000000000000
--- a/chrome/common/extensions/docs/templates/intros/experimental_infobars.html
+++ /dev/null
@@ -1,48 +0,0 @@
-<p>
-The infobars API allows you to add a
-horizontal panel just above a tab's contents,
-as the following screenshot shows.
-</p>
-
-<p>
-<img src="{{static}}/images/infobar.png"
-  width="566" height="150"
-  alt="An infobar asking whether the user wants to translate the current page" />
-</p>
-
-<p>
-Use an infobar to tell the reader
-something about a particular page.
-When the user leaves the page for which the infobar is displayed,
-Google Chrome automatically closes the infobar.
-</p>
-
-<p>
-You implement the content of your
-infobar using HTML. Because infobars are ordinary pages inside an extension,
-they can
-<a href="overview.html#pageComm">communicate with other extension pages</a>.
-</p>
-
-
-<h2 id="manifest">Manifest</h2>
-
-<p>
-The infobars API is currently
-experimental, so you must declare the "experimental"
-permission to use it. Also, you should specify
-a 16x16-pixel icon for display next to your infobar.
-For example:
-</p>
-
-<pre>{
-  "name": "Andy's infobar extension",
-  "version": "1.0",
-  <b>"permissions": ["experimental"],</b>
-  <b>"icons": {</b>
-    <b>"16": "16.png"</b>
-  <b>},</b>
-  "background": {
-    "scripts": ["background.js"]
-  }
-}</pre>