diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index 2e24837a168..ae546ccaa9e 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -37982,7 +37982,7 @@ class _DOMStringMap extends NativeFieldWrapperClass2 implements Map window.console.log(s);
final _pureIsolatePrintClosure = (s) {
throw new UnimplementedError("Printing from a background isolate "
"is not supported in the browser");
diff --git a/tools/dom/src/html_native_DOMImplementation.dart b/tools/dom/src/html_native_DOMImplementation.dart
index 28ce6f503a0..d7e087eb510 100644
--- a/tools/dom/src/html_native_DOMImplementation.dart
+++ b/tools/dom/src/html_native_DOMImplementation.dart
@@ -512,7 +512,7 @@ class _DOMStringMap extends NativeFieldWrapperClass2 implements Map window.console.log(s);
final _pureIsolatePrintClosure = (s) {
throw new UnimplementedError("Printing from a background isolate "
"is not supported in the browser");
diff --git a/tools/dom/src/native_DOMImplementation.dart b/tools/dom/src/native_DOMImplementation.dart
index 490dd144851..d8d603b8b18 100644
--- a/tools/dom/src/native_DOMImplementation.dart
+++ b/tools/dom/src/native_DOMImplementation.dart
@@ -499,7 +499,7 @@ class _DOMStringMap extends NativeFieldWrapperClass2 implements Map window.console.log(s);
final _pureIsolatePrintClosure = (s) {
throw new UnimplementedError("Printing from a background isolate "
"is not supported in the browser");