Merge pull request php-webdriver#160 from chaby1/master

fix chrome driver php5.4 interface signatures

Author: whhone

lib/chrome/ChromeDriver.php

@@ -41,11 +41,18 @@ public function startSession($desired_capabilities) {
     $this->setSessionID($response->getSessionID());
   }
 
-  public static function create() {
+  public static function create(
+    $url = 'http://localhost:4444/wd/hub',
+    $desired_capabilities = null,
+    $timeout_in_ms = 300000
+  ) {
     throw new WebDriverException('Please use ChromeDriver::start() instead.');
   }
 
-  public static function createBySessionID() {
+  public static function createBySessionID(
+    $session_id,
+    $url = 'http://localhost:4444/wd/hub'
+  ) {
     throw new WebDriverException('Please use ChromeDriver::start() instead.');
   }
 }