bug #6719 [Components][Browser-Kit]Fix typo with CookieJar (Denis-Florin Rendler)

This PR was submitted for the 3.0 branch but it was merged into the 2.7 branch instead (closes #6719).

Discussion
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[Components][Browser-Kit]Fix typo with CookieJar

Fix typo which mentions that the DomCrawler\Crawler, received from Client::request(), is exposing a method to retrieve the CookieJar instead of the Client implementation

Commits
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d556da7 [Components][Browser-Kit]Fix typo mentioning that Crawler exposes CookieJar not Client

Author: wouterj

components/browser_kit/introduction.rst

@@ -112,7 +112,7 @@ Cookies
 Retrieving Cookies
 ~~~~~~~~~~~~~~~~~~
 
-The ``Crawler`` object exposes cookies (if any) through a
+The ``Client`` implementation exposes cookies (if any) through a
 :class:`Symfony\\Component\\BrowserKit\\CookieJar`, which allows you to store and
 retrieve any cookie while making requests with the client::
 
@@ -123,7 +123,7 @@ retrieve any cookie while making requests with the client::
     $crawler = $client->request('GET', 'http://symfony.com');
 
     // Get the cookie Jar
-    $cookieJar = $crawler->getCookieJar();
+    $cookieJar = $client->getCookieJar();
 
     // Get a cookie by name
     $cookie = $cookieJar->get('name_of_the_cookie');
@@ -155,7 +155,7 @@ Looping Through Cookies
     $crawler = $client->request('GET', 'http://symfony.com');
 
     // Get the cookie Jar
-    $cookieJar = $crawler->getCookieJar();
+    $cookieJar = $client->getCookieJar();
 
     // Get array with all cookies
     $cookies = $cookieJar->all();