モバイルロゴ属性にwidthとheight属性を付加

※本当に必要か？

tmp/mobile-logo-button.php

@@ -14,11 +14,22 @@
 $home_url = apply_filters('mobile_header_site_logo_url', $home_url);
 $site_logo_text = apply_filters('site_logo_text', get_bloginfo('name'));
 $site_logo_text = apply_filters('mobile_header_site_logo_text', $site_logo_text);
+$logo_url = get_the_site_logo_url();
+$size = get_image_width_and_height($logo_url);
+$width_attr = null;
+$height_attr = null;
+if ($size) {
+  $w = $size['width'];
+  $h = $size['height'];
+  if ($w && $h) {
+    $width_attr = ' widht="'.$w.'"';
+    $height_attr = ' height="'.$h.'"';
+  }
+}
 ?>
 <!-- ロゴボタン -->
 <li class="logo-menu-button menu-button">
 <a href="<?php echo esc_url($home_url); ?>" class="menu-button-in"><?php
-$logo_url = get_the_site_logo_url();
 //ロゴが存在する場合は画像
-if ($logo_url): ?><img class="site-logo-image" src="<?php echo esc_url($logo_url); ?>" alt="<?php echo esc_attr($site_logo_text); ?>"><?php else: ?><?php echo $_MENU_CAPTION ? $_MENU_CAPTION : $site_logo_text; ?><?php endif; ?></a>
+if ($logo_url): ?><img class="site-logo-image" src="<?php echo esc_url($logo_url); ?>" alt="<?php echo esc_attr($site_logo_text); ?>"<?php echo $width_attr; ?><?php echo $height_attr; ?>><?php else: ?><?php echo $_MENU_CAPTION ? $_MENU_CAPTION : $site_logo_text; ?><?php endif; ?></a>
 </li>