Index: wp-includes/deprecated.php
===================================================================
--- wp-includes/deprecated.php	(revision 10284)
+++ wp-includes/deprecated.php	(working copy)
@@ -1304,4 +1304,24 @@
 	return get_comment($comment_ID, ARRAY_A);
 }
 
+/**
+ * Allows disabling of the HTTP Extension use within WordPress
+ *
+ * @deprecated Use the filter 'use_exthttp_transport'
+ * @deprecated 2.8.0
+ * @since 2.7.0
+ *
+ * @access private
+ *
+ * @param bool $available Whether the transport is available
+ * @return bool Whether the transport is available
+ */
+function _use_exthttp_transport($available) {
+	if ( has_filter('use_http_extension_transport') )
+		_deprecated_function( 'filter: use_http_extension_transport', '2.8', 'use_exthttp_transport' );
+
+	return apply_filters('use_http_extension_transport', $available);
+}
+add_filter('use_exthttp_transport', '_use_exthttp_transport', 5);
+
 ?>
\ No newline at end of file
Index: wp-includes/http.php
===================================================================
--- wp-includes/http.php	(revision 10284)
+++ wp-includes/http.php	(working copy)
@@ -100,7 +100,7 @@
 		static $working_transport, $blocking_transport, $nonblocking_transport;
 
 		if ( is_null($working_transport) ) {
-			if ( true === WP_Http_ExtHttp::test() && apply_filters('use_http_extension_transport', true) ) {
+			if ( true === WP_Http_ExtHttp::test() && apply_filters('use_exthttp_transport', true) ) {
 				$working_transport['exthttp'] = new WP_Http_ExtHttp();
 				$blocking_transport[] = &$working_transport['exthttp'];
 			} else if ( true === WP_Http_Curl::test() && apply_filters('use_curl_transport', true) ) {
@@ -151,7 +151,7 @@
 		static $working_transport, $blocking_transport, $nonblocking_transport;
 
 		if ( is_null($working_transport) ) {
-			if ( true === WP_Http_ExtHttp::test() && apply_filters('use_http_extension_transport', true) ) {
+			if ( true === WP_Http_ExtHttp::test() && apply_filters('use_exthttp_transport', true) ) {
 				$working_transport['exthttp'] = new WP_Http_ExtHttp();
 				$blocking_transport[] = &$working_transport['exthttp'];
 			} else if ( true === WP_Http_Streams::test() && apply_filters('use_streams_transport', true) ) {