Format all dart dev compiler files

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

Index: pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart
index b432d3eaf214653eb79bf07de6c4b5d1e78d8768..ca60086c582891da054faac25c12be53fd4eb6e6 100644
--- a/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart
+++ b/pkg/dev_compiler/tool/input_sdk/private/ddc_runtime/errors.dart
@@ -15,40 +15,52 @@ void ignoreWhitelistedErrors(bool flag) {
   _ignoreWhitelistedErrors = flag;
 }
 
-throwCastError(object, actual, type) => JS('', '''(() => {
+throwCastError(object, actual, type) => JS(
+    '',
+    '''(() => {
   var found = $typeName($actual);
   var expected = $typeName($type);
   if ($_trapRuntimeErrors) debugger;
   $throw_(new $CastErrorImplementation($object, found, expected));
 })()''');
 
-throwTypeError(object, actual, type) => JS('', '''(() => {
+throwTypeError(object, actual, type) => JS(
+    '',
+    '''(() => {
   var found = $typeName($actual);
   var expected = $typeName($type);
   if ($_trapRuntimeErrors) debugger;
   $throw_(new $TypeErrorImplementation($object, found, expected));
 })()''');
 
-throwStrongModeCastError(object, actual, type) => JS('', '''(() => {
+throwStrongModeCastError(object, actual, type) => JS(
+    '',
+    '''(() => {
   var found = $typeName($actual);
   var expected = $typeName($type);
   if ($_trapRuntimeErrors) debugger;
   $throw_(new $StrongModeCastError($object, found, expected));
 })()''');
 
-throwStrongModeTypeError(object, actual, type) => JS('', '''(() => {
+throwStrongModeTypeError(object, actual, type) => JS(
+    '',
+    '''(() => {
   var found = $typeName($actual);
   var expected = $typeName($type);
   if ($_trapRuntimeErrors) debugger;
   $throw_(new $StrongModeTypeError($object, found, expected));
 })()''');
 
-throwUnimplementedError(message) => JS('', '''(() => {
+throwUnimplementedError(message) => JS(
+    '',
+    '''(() => {
   if ($_trapRuntimeErrors) debugger;
   $throw_(new $UnimplementedError($message));
 })()''');
 
-throwAssertionError([message]) => JS('', '''(() => {
+throwAssertionError([message]) => JS(
+    '',
+    '''(() => {
   if ($_trapRuntimeErrors) debugger;
   let error = $message != null
         ? new $AssertionErrorWithMessage($message())
@@ -56,7 +68,9 @@ throwAssertionError([message]) => JS('', '''(() => {
   $throw_(error);
 })()''');
 
-throwNullValueError() => JS('', '''(() => {
+throwNullValueError() => JS(
+    '',
+    '''(() => {
   // TODO(vsm): Per spec, we should throw an NSM here.  Technically, we ought
   // to thread through method info, but that uglifies the code and can't
   // actually be queried ... it only affects how the error is printed.