Add icon-visibility attribute to cr.ui.Tree.

chrome/browser/resources/options/certificate_manager.html

Index: chrome/browser/resources/options/certificate_manager.html
diff --git a/chrome/browser/resources/options/certificate_manager.html b/chrome/browser/resources/options/certificate_manager.html
index 64974486a9429bc4fac9741a2c5ff8231de81a2e..2f71dbca8b936710d0e0190532853ae5b90ceba2 100644
--- a/chrome/browser/resources/options/certificate_manager.html
+++ b/chrome/browser/resources/options/certificate_manager.html
@@ -35,7 +35,8 @@
         <span i18n-content="personalCertsTabDescription"></span>
       </td></tr>
       <tr><td>
-        <tree id="personalCertsTab-tree" class="certificate-tree"></tree>
+        <tree id="personalCertsTab-tree" class="certificate-tree"
+          icon-visibility="parent"></tree>

[arv (Not doing code reviews), 2011/10/28 00:03:40]

indent 4 spaces when breaking the start tag

[flackr, 2011/10/28 15:19:36]

Done, and fixed the other inconsistencies.

       </td></tr>
       <tr><td>
         <button id="personalCertsTab-view" i18n-content="view_certificate"
@@ -64,7 +65,8 @@
         <span i18n-content="serverCertsTabDescription"></span>
       </td></tr>
       <tr><td>
-        <tree id="serverCertsTab-tree" class="certificate-tree"></tree>
+        <tree id="serverCertsTab-tree" class="certificate-tree"
+          icon-visibility="parent"></tree>
       </td></tr>
       <tr><td>
         <button id="serverCertsTab-view" i18n-content="view_certificate"
@@ -88,7 +90,8 @@
         <span i18n-content="caCertsTabDescription"></span>
       </td></tr>
       <tr><td>
-        <tree id="caCertsTab-tree" class="certificate-tree"></tree>
+        <tree id="caCertsTab-tree" class="certificate-tree"
+          icon-visibility="parent"></tree>
       </td></tr>
       <tr><td>
         <button id="caCertsTab-view" i18n-content="view_certificate"
@@ -110,7 +113,8 @@
         <span i18n-content="unknownCertsTabDescription"></span>
       </td></tr>
       <tr><td>
-        <tree id="otherCertsTab-tree" class="certificate-tree"></tree>
+        <tree id="otherCertsTab-tree" class="certificate-tree"
+          icon-visibility="parent"></tree>
       </td></tr>
       <tr><td>
         <button id="otherCertsTab-view" i18n-content="view_certificate"