Dart: Updates Dart VM revision.

mojo/dart/embedder/dart_controller.cc

Index: mojo/dart/embedder/dart_controller.cc
diff --git a/mojo/dart/embedder/dart_controller.cc b/mojo/dart/embedder/dart_controller.cc
index 7ab36a006f809ddd0fc42da6d3acc5c5df8e8c30..12881e2ce8958395f8d5a7119ce8e38e1793857f 100644
--- a/mojo/dart/embedder/dart_controller.cc
+++ b/mojo/dart/embedder/dart_controller.cc
@@ -371,7 +371,7 @@ void DartController::InitVmIfNeeded(Dart_EntropySource entropy,
     return;
   }
 
-  const int kNumArgs = arguments_count + 2;
+  const int kNumArgs = arguments_count + 1;
   const char* args[kNumArgs];
 
   // TODO(zra): Fix Dart VM Shutdown race.
@@ -383,11 +383,8 @@ void DartController::InitVmIfNeeded(Dart_EntropySource entropy,
   // that isn't there anymore.
   args[0] = "--worker-timeout-millis=0";
 
-  // Enable async/await features.
-  args[1] = "--enable-async";
-
   for (int i = 0; i < arguments_count; ++i) {
-    args[i + 2] = arguments[i];
+    args[i + 1] = arguments[i];
   }
 
   bool result = Dart_SetVMFlags(kNumArgs, args);