Hide wp-content/themes path

wpse_76593.php

<?php
// REMOVE WP-CONTENT
// Rewrites DO NOT happen for child themes
// Add .htaccess rewrite rules to convert urls 
// like "http://example.com/wp-content/themes/theme-name/path" into "http://example.com/path"

/*
 in case your wordpress is in a folder, 
 and you change the site_url to the root of the domain,
 add the folder name in lines 29 to 34,
 i.e.: => 'YOUR-WP-FOLDER/wp-content/themes/'
*/
  
if (stristr($_SERVER['SERVER_SOFTWARE'], 'apache') !== false) {
  function roots_htaccess_writable() {
		if (!is_writable(get_home_path() . '.htaccess')) {
			add_action('admin_notices', create_function('', "echo '<div class=\"error\"><p>" . sprintf(__('Please make sure your <a href="%s">.htaccess</a> file is writeable ', 'roots'), admin_url('options-permalink.php')) . "</p></div>';"));
		};
	}

	add_action('admin_init', 'roots_htaccess_writable');


	function roots_flush_rewrites() {
		global $wp_rewrite;
		$wp_rewrite->flush_rules();
	}

	function roots_add_rewrites($content) {
		$theme_name = next(explode('/themes/', get_stylesheet_directory()));
		global $wp_rewrite;
		$roots_new_non_wp_rules = array(
			'css/(.*)'      => 'wp-content/themes/'. $theme_name . '/css/$1',
			'js/(.*)'       => 'wp-content/themes/'. $theme_name . '/js/$1',
			'framework/(.*)'       => 'wp-content/themes/'. $theme_name . '/framework/$1',
			'images/(.*)'      => 'wp-content/themes/'. $theme_name . '/images/$1',
			'uploads/(.*)'      => 'wp-content/uploads/$1',
			'plugins/(.*)'  => 'wp-content/plugins/$1'
		);
		$wp_rewrite->non_wp_rules += $roots_new_non_wp_rules;
	}

	add_action('admin_init', 'roots_flush_rewrites');

	function roots_clean_assets($content) {
	    $theme_name = next(explode('/themes/', $content));
	    $current_path = '/wp-content/themes/' . $theme_name;
	    $new_path = '';
	    $content = str_replace($current_path, $new_path, $content);
	    return $content;
	}

	function roots_clean_plugins($content) {
	    $current_path = '/wp-content/plugins';
	    $new_path = '/plugins';
	    $content = str_replace($current_path, $new_path, $content);
	    return $content;
	}

	// only use clean urls if the theme isn't a child or an MU (Network) install
	if (!is_multisite() && !is_child_theme()) {
		add_action('generate_rewrite_rules', 'roots_add_rewrites');
		if (!is_admin()) { 
			add_filter('plugins_url', 'roots_clean_plugins');
			add_filter('bloginfo', 'roots_clean_assets');
			add_filter('stylesheet_directory_uri', 'roots_clean_assets');
			add_filter('template_directory_uri', 'roots_clean_assets');
	  add_filter('script_loader_src', 'roots_clean_plugins');
	  add_filter('style_loader_src', 'roots_clean_plugins');
		}
	}

	function roots_add_h5bp_htaccess($rules) {
		global $wp_filesystem;

		if (!defined('FS_METHOD')) define('FS_METHOD', 'direct');
		if (is_null($wp_filesystem)) WP_Filesystem(array(), ABSPATH);
	
		if (!defined('WP_CONTENT_DIR'))
		define('WP_CONTENT_DIR', ABSPATH . 'wp-content');	

		$theme_name = next(explode('/themes/', get_template_directory()));
		$filename = WP_CONTENT_DIR . '/themes/' . $theme_name . '/inc/h5bp-htaccess';

		$rules .= $wp_filesystem->get_contents($filename);
	
		return $rules;
	}

	add_action('mod_rewrite_rules', 'roots_add_h5bp_htaccess');
}

if (!is_admin()){
  wp_deregister_script('l10n');
}

Hello, Please where can I add this code