Update V8 to version 4.2.36 (based on d0f3e5302c8d89fee4995b86a2b83c9ecf5d1e7a).

TBR=machenbach@chromium.org

Review URL: https://codereview.chromium.org/877343007

Cr-Commit-Position: refs/heads/master@{#313789}

DEPS

@@ -47,7 +47,7 @@ vars = {
   # the commit queue can handle CLs rolling Skia
   # and V8 without interference from each other.
   'v8_branch': 'trunk',
-  'v8_revision': '051d23088a02e4da2a76b32c1d5750212448bb10',
+  'v8_revision': 'bc7c78af2e72f67d49eb65b70676a7175442b52c',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling WebRTC
   # and V8 without interference from each other.