DEPS AutoUpdate: dev_compiler

commit 1a946b210f9275a1dda1a79969f5dabdc8b7784b
Author: Vijay Menon <vsm@google.com>

    Remove source file check
diff --git a/DEPS b/DEPS
index f4d90f2..7e5e694 100644
--- a/DEPS
+++ b/DEPS
@@ -56,7 +56,7 @@
   "dart_services_rev" : "@7aea2574e6f3924bf409a80afb8ad52aa2be4f97",
   "dart_style_tag": "@0.2.4",
   "dartdoc_tag" : "@v0.9.6+2",
-  "dev_compiler_rev": "@c6f1ea6e6ab0f17afe335f4b59ed9719235ee14a",
+  "dev_compiler_rev": "@1a946b210f9275a1dda1a79969f5dabdc8b7784b",
   "fixnum_tag": "@0.10.5",
   "func_rev": "@8d4aea75c21be2179cb00dc2b94a71414653094e",
   "glob_rev": "@704cf75e4f26b417505c5c611bdaacd8808467dd",