Add --generate-script-snapshot option to dart so that this binary can be used for generating script…

Add --generate-script-snapshot option to dart so that this binary can be used for generating script snapshots.
Committed: https://code.google.com/p/dart/source/detail?r=17680

[Ivan Posva, 2013-01-25 22:29:55]

LGTM with comment.

-Ivan

https://codereview.chromium.org/11953115/diff/1/bin/main.cc
File bin/main.cc (right):

https://codereview.chromium.org/11953115/diff/1/bin/main.cc#newcode175
bin/main.cc:175: if (snapshot_buffer == NULL) {
Move this up to sit next to the corresponding comment?

https://codereview.chromium.org/11953115/diff/1/bin/main.cc#newcode210
bin/main.cc:210: { "--generate_script_snapshot=", ProcessGenScriptSnapshotOption
},
Why the duplication here?

[siva, 2013-01-26 00:39:32]

https://codereview.chromium.org/11953115/diff/1/bin/main.cc
File bin/main.cc (right):

https://codereview.chromium.org/11953115/diff/1/bin/main.cc#newcode175
bin/main.cc:175: if (snapshot_buffer == NULL) {
On 2013/01/25 22:29:55, Ivan Posva wrote:
> Move this up to sit next to the corresponding comment?

Done.

https://codereview.chromium.org/11953115/diff/1/bin/main.cc#newcode210
bin/main.cc:210: { "--generate_script_snapshot=", ProcessGenScriptSnapshotOption
},
I have dropped generate_script_snapshot,
I will drop use_script_snapshot after I fix the dart2js script.

On 2013/01/25 22:29:55, Ivan Posva wrote:
> Why the duplication here?