Move trace_event.h include from v8_platform.h to .cc file

Move trace_event.h include from v8_platform.h to .cc file

trace_event.h is redundant in header file. It also causes compilation
issues when Blink precompiled headers are used on Windows (Bug 495697).

BUG=

Committed: https://crrev.com/3641693cdb43bb82b681668228dacb978310e217
Cr-Commit-Position: refs/heads/master@{#371801}

[Tomasz Moniuszko, 2016-01-13 14:44:05]

tmoniuszko@opera.com changed reviewers:
+ aa@chromium.org

[Tomasz Moniuszko, 2016-01-27 14:11:48]

tmoniuszko@opera.com changed reviewers:
+ jochen@chromium.org

[Tomasz Moniuszko, 2016-01-27 14:11:48]

ping :)

+jochen@chromium.org as reviewer

[jochen (gone - plz use gerrit), 2016-01-27 14:13:30]

lgtm

[Tomasz Moniuszko, 2016-01-27 14:14:54]

The CQ bit was checked by tmoniuszko@opera.com

[commit-bot: I haz the power, 2016-01-27 14:15:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1585693002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1585693002/1

[commit-bot: I haz the power, 2016-01-27 16:28:54]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-27 16:29:41]

Description was changed from

==========
Move trace_event.h include from v8_platform.h to .cc file

trace_event.h is redundant in header file. It also causes compilation
issues when Blink precompiled headers are used on Windows (Bug 495697).

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

to

==========
Move trace_event.h include from v8_platform.h to .cc file

trace_event.h is redundant in header file. It also causes compilation
issues when Blink precompiled headers are used on Windows (Bug 495697).

BUG=

Committed: https://crrev.com/3641693cdb43bb82b681668228dacb978310e217
Cr-Commit-Position: refs/heads/master@{#371801}
==========

[commit-bot: I haz the power, 2016-01-27 16:29:42]

Patchset 1 (id:??) landed as
https://crrev.com/3641693cdb43bb82b681668228dacb978310e217
Cr-Commit-Position: refs/heads/master@{#371801}