Ship dart2js output for dev_compiler/web in the sdk.

Ship dart2js output for dev_compiler/web in the sdk.

These tools are used to support applying source maps to stack traces
and running the Dart dev compiler in the browser as part of an extension.

This CL adds the following files
dart-sdk/lib/dev_compiler/web/ddc_web_compiler.js
dart-sdk/lib/dev_compiler/web/dart_stack_trace_mapper

BUG=
R=rmacnak@google.com, vsm@google.com

Committed: https://github.com/dart-lang/sdk/commit/728f71f740c8e920eb2abcf29ef20f9670feeaa7

[Jacob, 2017-05-18 20:57:42]

jacobr@google.com changed reviewers:
+ rmacnak@google.com, vsm@google.com

[Jacob, 2017-05-18 20:57:42]

Take #2. As vsm pointed out, I could just use dart2js and .packages files to
make this much simpler.

[vsm, 2017-05-18 21:01:46]

lgtm

https://codereview.chromium.org/2889253002/diff/1/utils/dartdevc/BUILD.gn
File utils/dartdevc/BUILD.gn (right):

https://codereview.chromium.org/2889253002/diff/1/utils/dartdevc/BUILD.gn#new...
utils/dartdevc/BUILD.gn:36: [ "absolute", rebase_path("../../pkg/dev_compiler")
],
nit: line len

[Jacob, 2017-05-18 21:06:45]

https://codereview.chromium.org/2889253002/diff/1/utils/dartdevc/BUILD.gn
File utils/dartdevc/BUILD.gn (right):

https://codereview.chromium.org/2889253002/diff/1/utils/dartdevc/BUILD.gn#new...
utils/dartdevc/BUILD.gn:36: [ "absolute", rebase_path("../../pkg/dev_compiler")
],
On 2017/05/18 21:01:46, vsm wrote:
> nit: line len

Done.

[rmacnak, 2017-05-18 23:46:24]

lgtm

[Jacob, 2017-05-19 20:21:58]

Description was changed from

==========
Ship dart2js output for dev_compiler/web in the sdk.

These tools are used to support applying source maps to stack traces
and running the Dart dev compiler in the browser as part of an extension.

This CL adds the following files
dart-sdk/lib/dev_compiler/web/ddc_web_compiler.js
dart-sdk/lib/dev_compiler/web/dart_stack_trace_mapper

BUG=
==========

to

==========
Ship dart2js output for dev_compiler/web in the sdk.

These tools are used to support applying source maps to stack traces
and running the Dart dev compiler in the browser as part of an extension.

This CL adds the following files
dart-sdk/lib/dev_compiler/web/ddc_web_compiler.js
dart-sdk/lib/dev_compiler/web/dart_stack_trace_mapper

BUG=
R=rmacnak@google.com, vsm@google.com

Committed:
https://github.com/dart-lang/sdk/commit/728f71f740c8e920eb2abcf29ef20f9670feeaa7
==========

[Jacob, 2017-05-19 20:21:59]

Committed patchset #2 (id:20001) manually as
728f71f740c8e920eb2abcf29ef20f9670feeaa7 (presubmit successful).

[zra, 2017-05-20 21:43:30]

zra@google.com changed reviewers:
+ zra@google.com

[zra, 2017-05-20 21:43:30]

https://codereview.chromium.org/2889253002/diff/20001/sdk/BUILD.gn
File sdk/BUILD.gn (right):

https://codereview.chromium.org/2889253002/diff/20001/sdk/BUILD.gn#newcode391
sdk/BUILD.gn:391: copy("copy_dev_compiler_tools") {
This doesn't appear to be hooked up to anything. Could you explain how this
target is intended to be used?

[zra, 2017-05-21 04:45:35]

https://codereview.chromium.org/2889253002/diff/20001/sdk/BUILD.gn
File sdk/BUILD.gn (right):

https://codereview.chromium.org/2889253002/diff/20001/sdk/BUILD.gn#newcode391
sdk/BUILD.gn:391: copy("copy_dev_compiler_tools") {
On 2017/05/20 21:43:30, zra wrote:
> This doesn't appear to be hooked up to anything. Could you explain how this
> target is intended to be used?

Also, including this in an ARM cross-build of the SDK increases build time from
~5 minutes to >30 minutes. That is probably too long.