Really update Windows ref build

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@70127 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/DEPS b/DEPS
index 2c55c42..24bd1b47 100644
--- a/DEPS
+++ b/DEPS
@@ -192,7 +192,7 @@
 deps_os = {
   "win": {
     "src/chrome/tools/test/reference_build/chrome":
-      "/trunk/deps/reference_builds/chrome@68691",
+      "/trunk/deps/reference_builds/chrome@70122",
 
     "src/third_party/cygwin":
       "/trunk/deps/third_party/cygwin@66844",