Add missing build dependencies

sky/engine/bindings/BUILD.gn

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//sky/engine/bindings/bindings.gni")
 import("//sky/engine/core/core.gni")
 
 source_set("bindings") {
   sources = [
     "builtin.cc",
@@ skipping 381 matching lines @@
     "//skia",
     "//sky/engine/core:core_names",
     "//sky/engine/wtf",
     "//third_party/angle:translator",
     "//third_party/iccjpeg",
     "//third_party/libpng",
     "//third_party/ots",
     "//third_party/qcms",
     "//third_party/zlib",
     "//url",
+    ":compile_idls",
     ":generate_dart_globals",
   ]
 
   include_dirs = [
     "..",
     "$root_build_dir",
   ]
 
   sources = get_target_outputs(":compile_idls")
   sources += get_target_outputs(":generate_dart_globals")
 }