Fix JSON serialization of PerformanceEntry subclasses

Fix JSON serialization of PerformanceEntry subclasses

Attributes defined in PerformanceEntry subclasses were not included in
serialized object because toJSONForBinding() wasn't polymorphic.

BUG=592171
test=http/tests/misc/performance-entry-serializer.html

Committed: https://crrev.com/48db6a49b37d8302a9bedd6321110546dccaf7eb
Cr-Commit-Position: refs/heads/master@{#380577}

[Kunihiko Sakamoto, 2016-03-10 09:13:37]

Description was changed from

==========
Fix PerformanceResourceTiming serializer

BUG=592171
==========

to

==========
Fix JSON serialization of PerformanceEntry subclasses

Attributes defined in PerformanceEntry subclasses were not serialized
because toJSONForBinding() wasn't polymorphic.

BUG=592171
test=http/tests/misc/performance-entry-serializer.html
==========

[Kunihiko Sakamoto, 2016-03-10 09:20:50]

Description was changed from

==========
Fix JSON serialization of PerformanceEntry subclasses

Attributes defined in PerformanceEntry subclasses were not serialized
because toJSONForBinding() wasn't polymorphic.

BUG=592171
test=http/tests/misc/performance-entry-serializer.html
==========

to

==========
Fix JSON serialization of PerformanceEntry subclasses

Attributes defined in PerformanceEntry subclasses were not included in
serialized object because toJSONForBinding() wasn't polymorphic.

BUG=592171
test=http/tests/misc/performance-entry-serializer.html
==========

[Kunihiko Sakamoto, 2016-03-10 09:22:35]

ksakamoto@chromium.org changed reviewers:
+ kinuko@chromium.org

[Kunihiko Sakamoto, 2016-03-10 09:22:36]

PTAL

[kinuko, 2016-03-10 14:20:49]

lgtm

[Kunihiko Sakamoto, 2016-03-11 00:58:19]

The CQ bit was checked by ksakamoto@chromium.org

[commit-bot: I haz the power, 2016-03-11 00:58:43]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1780523005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1780523005/1

[commit-bot: I haz the power, 2016-03-11 08:11:15]

Description was changed from

==========
Fix JSON serialization of PerformanceEntry subclasses

Attributes defined in PerformanceEntry subclasses were not included in
serialized object because toJSONForBinding() wasn't polymorphic.

BUG=592171
test=http/tests/misc/performance-entry-serializer.html
==========

to

==========
Fix JSON serialization of PerformanceEntry subclasses

Attributes defined in PerformanceEntry subclasses were not included in
serialized object because toJSONForBinding() wasn't polymorphic.

BUG=592171
test=http/tests/misc/performance-entry-serializer.html
==========

[commit-bot: I haz the power, 2016-03-11 08:11:15]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-11 08:12:23]

Description was changed from

==========
Fix JSON serialization of PerformanceEntry subclasses

Attributes defined in PerformanceEntry subclasses were not included in
serialized object because toJSONForBinding() wasn't polymorphic.

BUG=592171
test=http/tests/misc/performance-entry-serializer.html
==========

to

==========
Fix JSON serialization of PerformanceEntry subclasses

Attributes defined in PerformanceEntry subclasses were not included in
serialized object because toJSONForBinding() wasn't polymorphic.

BUG=592171
test=http/tests/misc/performance-entry-serializer.html

Committed: https://crrev.com/48db6a49b37d8302a9bedd6321110546dccaf7eb
Cr-Commit-Position: refs/heads/master@{#380577}
==========

[commit-bot: I haz the power, 2016-03-11 08:12:24]

Patchset 1 (id:??) landed as
https://crrev.com/48db6a49b37d8302a9bedd6321110546dccaf7eb
Cr-Commit-Position: refs/heads/master@{#380577}