Add ignoreAllErrors option to dart:_runtime

pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/runtime.dart

Index: pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/runtime.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/runtime.dart b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/runtime.dart
index 54d606c0deb083aa8579061883d25aefa9de60b8..207d7ba89d225c72a6beeb6251d053d224012fe3 100644
--- a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/runtime.dart
+++ b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/runtime.dart
@@ -107,6 +107,10 @@ final global_ = JS(
     $ignoreWhitelistedErrors(
         'ignoreWhitelistedErrors' in settings ?
             settings.ignoreWhitelistedErrors : true);
+
+    $ignoreAllErrors(
+        'ignoreAllErrors' in settings ?settings.ignoreAllErrors : false);
+
     $failForWeakModeIsChecks(
         'failForWeakModeIsChecks' in settings ?
             settings.failForWeakModeIsChecks : true);