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

Source/core/loader/CookieJar.cpp

Index: Source/core/loader/CookieJar.cpp
diff --git a/Source/core/loader/CookieJar.cpp b/Source/core/loader/CookieJar.cpp
index d8ad40d1089ab5d6a78c772610f2331db967f16c..6fffb509612f047844fd379c07a8460cf0255fa2 100644
--- a/Source/core/loader/CookieJar.cpp
+++ b/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)