MD Settings: Certificate manager, move "Import" button to the tab level.

chrome/app/settings_strings.grdp

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Settings-specific strings (included from generated_resources.grd). -->
 <grit-part>
   <!-- Policy Indicators -->
   <message name="IDS_SETTINGS_CONTROLLED_SETTING_EXTENSION" desc="Text displayed in the controlled settings indicator tooltip when a setting's value is enforced by an extension.">
     This setting is controlled by extension <ph name="NAME">$1<ex>Settings Extension</ex></ph>
   </message>
 
   <!-- Accessibility Page -->
   <message name="IDS_SETTINGS_ACCESSIBILITY" desc="Name of the settings page which displays accessibility preferences.">
@@ skipping 207 matching lines @@
   </if>
 
   <if expr="use_nss_certs">
     <!-- Certificate Manager Page -->
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER" desc="Name of the certificate manager page which allows users to modify SSL certificate settings.">
       Certificate manager
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_YOUR_CERTIFICATES" desc="Label for the your certificates tab in certificate manager.">
       Your certificates
     </message>
+    <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_YOUR_CERTIFICATES_DESCRIPTION" desc="Label for your certificates subtitle tab in certificate manager.">
+      You have certificates from these organizations that identify you
+    </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_SERVERS" desc="Label for the servers tab in certificate manager.">
       Servers
     </message>
+    <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_SERVERS_DESCRIPTION" desc="Label for servers subtitle tab in certificate manager.">
+      You have certificates on file that identify these servers
+    </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_AUTHORITIES" desc="Label for the authorities tab in certificate manager.">
       Authorities
     </message>
+    <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_AUTHORITIES_DESCRIPTION" desc="Label for authorities subtitle tab in certificate manager.">
+      You have certificates on file that identify these certificate authorities
+    </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_VIEW" desc="Label for view button in certificate manager.">
       View
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_EDIT" desc="Label for the button in the certificate manager which allows you to edit certificate trust">
       Edit
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_IMPORT" desc="Label for import button in certificate manager.">
       Import
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_IMPORT_AND_BIND" desc="Label for import and bind button in certificate manager.">
       Import and Bind to Device
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_EXPORT" desc="Label for export button in certificate manager.">
       Export
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_DELETE" desc="Label for delete button in certificate manager.">
       Delete
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_DONE" desc="Label for done button in certificate manager.">
       Done
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_OTHERS" desc="Label for the others tab in certificate manager.">
       Others
     </message>
+    <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_OTHERS_DESCRIPTION" desc="Label for others subtitle tab in certificate manager.">
+      You have certificates on file that do not fit in any of the other categories
+    </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_USAGE_SSL_CLIENT" desc="The description of a certificate that is verified for use as an SSL client">
       SSL Client Certificate
     </message>
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_UNTRUSTED" desc="This text is displayed next to untrusted certificates in a red box.">
       Untrusted
     </message>
 
     <!-- Certificate Manager Page, edit certificate authority trust dialog-->
     <message name="IDS_SETTINGS_CERTIFICATE_MANAGER_CA_TRUST_EDIT_DIALOG_TITLE" desc="Title of the certificate manager edit trust dialog">
       Certificate authority
@@ skipping 896 matching lines @@
       System
     </message>
     <message name="IDS_SETTINGS_SYSTEM_HARDWARE_ACCELERATION_LABEL" desc="Label for the checkbox that forces Chrome to render via hardware acceleration (GPU) when available.">
       Use hardware acceleration when available
     </message>
     <message name="IDS_SETTINGS_SYSTEM_PROXY_SETTINGS_BUTTON" desc="Text for the button that changes a user's network proxy settings.">
       Change proxy settings
     </message>
   </if>
 </grit-part>