Fix some mixed content warnings when accessing extension docs

chrome/common/extensions/docs/experimental.devtools.panels.html

Index: chrome/common/extensions/docs/experimental.devtools.panels.html
diff --git a/chrome/common/extensions/docs/experimental.devtools.panels.html b/chrome/common/extensions/docs/experimental.devtools.panels.html
index f92067b953c9e39d9262da0a65f7a9845d776251..22e28ab314ad45d237dc159e0afe85d836a4c97a 100644
--- a/chrome/common/extensions/docs/experimental.devtools.panels.html
+++ b/chrome/common/extensions/docs/experimental.devtools.panels.html
@@ -170,10 +170,10 @@
             </div>
           </form>
 
-          <script type="text/javascript" src="http://www.google.com/jsapi"></script>
+          <script type="text/javascript" src="https://www.google.com/jsapi"></script>
           <script type="text/javascript">google.load("elements", "1", {packages: "transliteration"});</script>
-          <script type="text/javascript" src="http://www.google.com/coop/cse/t13n?form=cse&amp;t13n_langs=en"></script>
-          <script type="text/javascript" src="http://www.google.com/coop/cse/brand?form=cse&amp;lang=en"></script>
+          <script type="text/javascript" src="https://www.google.com/coop/cse/t13n?form=cse&amp;t13n_langs=en"></script>
+          <script type="text/javascript" src="https://www.google.com/coop/cse/brand?form=cse&amp;lang=en"></script>
         </td>
       </tr>
     </tbody></table>
@@ -4256,8 +4256,8 @@ You can find examples that use this API in
   </p>
 
 <!-- begin analytics -->
-<script src="http://www.google-analytics.com/urchin.js" type="text/javascript"></script>
-<script src="http://www.google-analytics.com/ga.js" type="text/javascript"></script>
+<script src="https://www.google-analytics.com/urchin.js" type="text/javascript"></script>
+<script src="https://www.google-analytics.com/ga.js" type="text/javascript"></script>
 
 <script type="text/javascript">
   // chrome doc tracking