Requests_Transport: change to namespaced interface

Includes:
* Moving the namespaced version of the interface to the `src` directory.
* [Custom autoload] Adding the interface to the `$deprecated_classes` array in the `WpOrg\Requests\Autoload` class.
* [Composer autoload] Adding the interface to the `Deprecated.php` file.
* Updating all references to the interface.

library/Deprecated.php

@@ -30,3 +30,4 @@
 interface Requests_Auth extends WpOrg\Requests\Auth {}
 interface Requests_Hooker extends WpOrg\Requests\Hooker {}
 interface Requests_Proxy extends WpOrg\Requests\Proxy {}
+interface Requests_Transport extends WpOrg\Requests\Transport {}

library/Requests/Transport/cURL.php

@@ -7,14 +7,15 @@
  */
 
 use WpOrg\Requests\Requests;
+use WpOrg\Requests\Transport;
 
 /**
  * cURL HTTP transport
  *
  * @package Requests
  * @subpackage Transport
  */
-class Requests_Transport_cURL implements Requests_Transport {
+class Requests_Transport_cURL implements Transport {
 	const CURL_7_10_5 = 0x070A05;
 	const CURL_7_16_2 = 0x071002;
 

library/Requests/Transport/fsockopen.php

@@ -7,14 +7,15 @@
  */
 
 use WpOrg\Requests\Requests;
+use WpOrg\Requests\Transport;
 
 /**
  * fsockopen HTTP transport
  *
  * @package Requests
  * @subpackage Transport
  */
-class Requests_Transport_fsockopen implements Requests_Transport {
+class Requests_Transport_fsockopen implements Transport {
 	/**
 	 * Second to microsecond conversion
 	 *
@@ -327,7 +328,7 @@ public function request($url, $headers = array(), $data = array(), $options = ar
 	/**
 	 * Send multiple requests simultaneously
 	 *
-	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
+	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see \WpOrg\Requests\Transport::request}
 	 * @param array $options Global options, see {@see \WpOrg\Requests\Requests::response()} for documentation
 	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
 	 */

src/Autoload.php

@@ -34,9 +34,10 @@ class Autoload {
 		 */
 		private static $deprecated_classes = array(
 			// Interfaces.
-			'requests_auth'   => '\WpOrg\Requests\Auth',
-			'requests_hooker' => '\WpOrg\Requests\Hooker',
-			'requests_proxy'  => '\WpOrg\Requests\Proxy',
+			'requests_auth'      => '\WpOrg\Requests\Auth',
+			'requests_hooker'    => '\WpOrg\Requests\Hooker',
+			'requests_proxy'     => '\WpOrg\Requests\Proxy',
+			'requests_transport' => '\WpOrg\Requests\Transport',
 		);
 
 		/**

src/Requests.php

@@ -139,7 +139,7 @@ private function __construct() {}
 	/**
 	 * Register a transport
 	 *
-	 * @param string $transport Transport class to add, must support the Requests_Transport interface
+	 * @param string $transport Transport class to add, must support the \WpOrg\Requests\Transport interface
 	 */
 	public static function add_transport($transport) {
 		if (empty(self::$transports)) {
@@ -156,7 +156,7 @@ public static function add_transport($transport) {
 	 * Get a working transport
 	 *
 	 * @throws Requests_Exception If no valid transport is found (`notransport`)
-	 * @return Requests_Transport
+	 * @return \WpOrg\Requests\Transport
 	 */
 	protected static function get_transport($capabilities = array()) {
 		// Caching code, don't bother testing coverage
@@ -313,7 +313,7 @@ public static function patch($url, $headers, $data = array(), $options = array()
 	 * - `transport`: Custom transport. Either a class name, or a
 	 *    transport object. Defaults to the first working transport from
 	 *    {@see getTransport()}
-	 *    (string|Requests_Transport, default: {@see getTransport()})
+	 *    (string|\WpOrg\Requests\Transport, default: {@see getTransport()})
 	 * - `hooks`: Hooks handler.
 	 *    (\WpOrg\Requests\Hooker, default: new Requests_Hooks())
 	 * - `verify`: Should we verify SSL certificates? Allows passing in a custom

library/Requests/Transport.php → src/Transport.php

@@ -6,13 +6,15 @@
  * @subpackage Transport
  */
 
+namespace WpOrg\Requests;
+
 /**
  * Base HTTP transport
  *
  * @package Requests
  * @subpackage Transport
  */
-interface Requests_Transport {
+interface Transport {
 	/**
 	 * Perform a request
 	 *
@@ -27,7 +29,7 @@ public function request($url, $headers = array(), $data = array(), $options = ar
 	/**
 	 * Send multiple requests simultaneously
 	 *
-	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
+	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see \WpOrg\Requests\Transport::request}
 	 * @param array $options Global options, see {@see \WpOrg\Requests\Requests::response()} for documentation
 	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
 	 */

tests/Mock/RawTransportMock.php

@@ -2,9 +2,9 @@
 
 namespace Requests\Tests\Mock;
 
-use Requests_Transport;
+use WpOrg\Requests\Transport;
 
-class RawTransportMock implements Requests_Transport {
+class RawTransportMock implements Transport {
 	public $data = '';
 	public function request($url, $headers = array(), $data = array(), $options = array()) {
 		return $this->data;

tests/Mock/TransportMock.php

@@ -2,9 +2,9 @@
 
 namespace Requests\Tests\Mock;
 
-use Requests_Transport;
+use WpOrg\Requests\Transport;
 
-class TransportMock implements Requests_Transport {
+class TransportMock implements Transport {
 	public $code        = 200;
 	public $chunked     = false;
 	public $body        = 'Test Body';