Update mojo sdk to rev 3d23dae011859a2aae49f1d1adde705c8e85d819

third_party/mojo/src/mojo/public/dart/rules.gni

 # 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.
 
 # Rules to generate python packaged applications for Dart
 
 import("../mojo_sdk.gni")
 
 template("dart_package") {
   action(target_name) {
@@ skipping 83 matching lines @@
     if (defined(invoker.deps)) {
       deps += invoker.deps
     }
     if (defined(invoker.mojom_deps)) {
       deps += invoker.mojom_deps
     }
     if (defined(invoker.datadeps)) {
       datadeps = invoker.datadeps
     }
 
+    line = "#!mojo mojo:dart_content_handler"
+    if (defined(invoker.strict) && invoker.strict == true) {
+      line = "#!mojo mojo:dart_content_handler?strict=true"
+    }
+
     rebase_input = rebase_path(input, root_build_dir)
     rebase_output = rebase_path(output, root_build_dir)
     args = [
       "--input=$rebase_input",
       "--output=$rebase_output",
-      "--line=#!mojo mojo:dart_content_handler",
+      "--line=$line",
     ]
   }
 }