Ticket #28578: 28578.2.patch

theme-install.php

@@ -27 +27 @@
         $submenu_file = 'themes.php';
 }
 
+$tabs = array(
+        'upload'        => __( 'Upload Theme' ),
+        'browse-themes' => _x( 'Browse', 'themes' )
+);
+
 $sections = array(
         'featured' => __( 'Featured Themes' ),
         'popular'  => __( 'Popular Themes' ),
@@ -110 +115 @@
 <div class="wrap">
         <h2>
                 <?php echo esc_html( $title ); ?>
-                <a href="#" class="upload add-new-h2"><?php _e( 'Upload Theme' ); ?></a>
-                <a href="#" class="browse-themes add-new-h2"><?php _ex( 'Browse', 'themes' ); ?></a>
+                <?php
+                /**
+                 * Filter the tabs shown on the Install Themes screen.
+                 * 
+                 * @since 2.8.0
+                 * @param array $tabs The tabs shown on the Install Themes screen. Defaults are
+                 *                    'upload' and 'browse-themes'
+                 */
+                $tabs = apply_filters( 'install_themes_tabs', $tabs );
+                foreach ( $tabs as $tab => $tab_name ) {
+                        echo '<a href="#" class="' . $tab . ' add-new-h2">' . $tab_name . '</a>';
+                }
+                ?>
         </h2>
 
         <div class="upload-theme">