Fix crash when using type parameters on custom elements

Fix crash when using type parameters on custom elements

The fix ensures that the custom element '.created' constructor has 'receiver' as the first argument.

This prevents the crash reported in https://github.com/dart-lang/sdk/issues/28457
The type arguments will be seen as 'dynamic' because there is no way to specify them from document.createElement or HTML.

TBR=sigmund@google.com

BUG= https://github.com/dart-lang/sdk/issues/28457

Committed: https://github.com/dart-lang/sdk/commit/12300fa688c3762f8d040582a4ab5e050500c054

[sra1, 2017-01-25 01:27:26]

Description was changed from

==========
Fix crash when using mixin with type parameter on custom element

TBR=sigmund@google.com
==========

to

==========
Fix crash when using type parameters on custom elements

The fix ensures that the custom element '.created' constructor has 'receiver' as
the first argument.

This prevents the crash reported in
https://github.com/dart-lang/sdk/issues/28457
The type arguments will be seen as 'dynamic' because there is no way to specify
them from document.createElement or HTML.

TBR=sigmund@google.com

BUG= https://github.com/dart-lang/sdk/issues/28457
==========

[sra1, 2017-01-25 02:25:16]

Description was changed from

==========
Fix crash when using type parameters on custom elements

The fix ensures that the custom element '.created' constructor has 'receiver' as
the first argument.

This prevents the crash reported in
https://github.com/dart-lang/sdk/issues/28457
The type arguments will be seen as 'dynamic' because there is no way to specify
them from document.createElement or HTML.

TBR=sigmund@google.com

BUG= https://github.com/dart-lang/sdk/issues/28457
==========

to

==========
Fix crash when using type parameters on custom elements

The fix ensures that the custom element '.created' constructor has 'receiver' as
the first argument.

This prevents the crash reported in
https://github.com/dart-lang/sdk/issues/28457
The type arguments will be seen as 'dynamic' because there is no way to specify
them from document.createElement or HTML.

TBR=sigmund@google.com

BUG= https://github.com/dart-lang/sdk/issues/28457

Committed:
https://github.com/dart-lang/sdk/commit/12300fa688c3762f8d040582a4ab5e050500c054
==========

[sra1, 2017-01-25 02:25:18]

Committed patchset #1 (id:1) manually as
12300fa688c3762f8d040582a4ab5e050500c054 (presubmit successful).

[Siggi Cherem (dart-lang), 2017-01-25 15:57:55]

lgtm