Updated to Chromium change removing ChaCha20+Poly1305 patch for NSS/SSL to fix Linux compile errors

TBR=whesse@google.com

Review URL: https://codereview.chromium.org/2145313002 .
diff --git a/tools/deps/dartium.deps/DEPS b/tools/deps/dartium.deps/DEPS
index 4e4c519..a12cdc3 100644
--- a/tools/deps/dartium.deps/DEPS
+++ b/tools/deps/dartium.deps/DEPS
@@ -8,7 +8,7 @@
 # Now we need to override some settings and add some new ones.
 
 vars.update({
-  "dartium_chromium_commit": "ef7d4ae18c646aea34c07a7ef62de7342c3b8c12",
+  "dartium_chromium_commit": "67a7ba9669f7bb0300ef35085d4e6bb98b1966cc",
   "dartium_webkit_commit": "d3db7d1b53979ca91cbf8f3117971f49d0fddf13",
   "chromium_base_revision": "338390",