Stop calling blink::Platform::current()->cookieJar() in CookieJar.cpp

We no longer have DRT in Blink.

BUG=327256

Review URL: https://codereview.chromium.org/205323004

git-svn-id: svn://svn.chromium.org/blink/trunk@169641 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/loader/CookieJar.cpp

@@ -47,12 +47,7 @@ static blink::WebCookieJar* toCookieJar(const Document* document)
 {
     if (!document || !document->frame())
         return 0;
-    blink::WebCookieJar* cookieJar = document->frame()->loader().client()->cookieJar();
-    // FIXME: DRT depends on being able to get a cookie jar from Platform rather than
-    // FrameLoaderClient. Delete this when DRT is deleted.
-    if (!cookieJar)
-        cookieJar = blink::Platform::current()->cookieJar();
-    return cookieJar;
+    return document->frame()->loader().client()->cookieJar();
 }
 
 String cookies(const Document* document, const KURL& url)