Remove Compiler and JavaScriptBackend from class_stub_generator

Remove Compiler and JavaScriptBackend from class_stub_generator

This is a step towards passing data object directly instead of accessing
data on JavaScriptBackend. This is needed to support an element switch
between resolution and codegen.

R=sigmund@google.com

Committed: https://github.com/dart-lang/sdk/commit/230c1745cde01d59bd50dc1cdeda49b51536456c

[Johnni Winther, 2017-04-18 12:13:27]

johnniwinther@google.com changed reviewers:
+ sigmund@google.com

[Siggi Cherem (dart-lang), 2017-04-18 16:03:10]

lgtm

[Johnni Winther, 2017-04-19 08:40:18]

Description was changed from

==========
Remove Compiler and JavaScriptBackend from class_stub_generator

This is a step towards passing data object directly instead of accessing
data on JavaScriptBackend. This is needed to support an element switch
between resolution and codegen.
==========

to

==========
Remove Compiler and JavaScriptBackend from class_stub_generator

This is a step towards passing data object directly instead of accessing
data on JavaScriptBackend. This is needed to support an element switch
between resolution and codegen.

R=sigmund@google.com

Committed:
https://github.com/dart-lang/sdk/commit/230c1745cde01d59bd50dc1cdeda49b51536456c
==========

[Johnni Winther, 2017-04-19 08:40:19]

Committed patchset #1 (id:1) manually as
230c1745cde01d59bd50dc1cdeda49b51536456c (presubmit successful).