Roll DEPS for v8 to d7f813b.

TBR=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1380663003 .
diff --git a/DEPS b/DEPS
index d47820b..303a3b1 100644
--- a/DEPS
+++ b/DEPS
@@ -17,7 +17,7 @@
      "https://chromium.googlesource.com/external/googletest.git@8245545b6dc9c4703e6496d1efd19e975ad2b038",
 
   "v8":
-    "https://chromium.googlesource.com/v8/v8.git@4d03c3aabad6517ff058124bb799ca6a4156e570",
+    "https://chromium.googlesource.com/v8/v8.git@d7f813b4da929a42713b4bacd6a266ade742a41e",
 
   "v8/third_party/icu":
     "https://chromium.googlesource.com/chromium/deps/icu46",