[test] Relax recursion depth limit in webkit test.

R=rmcilroy@chromium.org
TEST=webkit/fast/js/deep-recursion-test

Review-Url: https://codereview.chromium.org/2254773002
Cr-Commit-Position: refs/heads/master@{#38679}

test/webkit/fast/js/deep-recursion-test.js

@@ -29,7 +29,7 @@ description("This test how deep we can recurse, and that we get an exception whe
     }
 
     try {
-        simpleRecursion(17472);
+        simpleRecursion(5000);
     } catch (ex) {
         debug("FAIL: " + ex);
     }

test/webkit/webkit.status

@@ -33,8 +33,6 @@
   'dfg-inline-arguments-become-int32': [PASS, FAIL],
   'dfg-inline-arguments-reset': [PASS, FAIL],
   'dfg-inline-arguments-reset-changetype': [PASS, FAIL],
-  # TODO(turbofan): We run out of stack earlier on 64-bit for now.
-  'fast/js/deep-recursion-test': [PASS, NO_VARIANTS],
   # Irregexp interpreter overflows stack. We should just not crash.
   'fast/js/regexp-stack-overflow': [PASS, FAIL],
 }],  # ALWAYS