Revert "Remove window.postMessage(message, transferables, targetOrigin) legacy overload"

Revert "Remove window.postMessage(message, transferables, targetOrigin) legacy overload"

This reverts commits a91dd1d7611e879f8d03bf533c45fa229ed7246d and
48caa2cebaf1723dcfd8665e4859d90e2b55f2a2.

In addition:
 * Update the deprecation message for M55 removal.
 * Exclude changes to postMessage calls outside of tests, as those might
   otherwise trigger the deprecation message.

BUG=425896, 649157
TBR=sigbjornf@opera.com,haraken@chromium.org
NOTRY=true
NOPRESUBMIT=true

[foolip, 2016-09-23 09:49:47]

Description was changed from

==========
Revert "Remove window.postMessage(message, transferables, targetOrigin) legacy
overload"


This reverts commits a91dd1d7611e879f8d03bf533c45fa229ed7246d and
48caa2cebaf1723dcfd8665e4859d90e2b55f2a2.

In addition:
 * Update the deprecation message for M55 removal.
 * Exclude changes to postMessage calls outside of tests, as those might
   otherwise trigger the deprecation message.

BUG=425896,649157
TBR=sigbjornf@opera.com,haraken@chromium.org
==========

to

==========
Revert "Remove window.postMessage(message, transferables, targetOrigin) legacy
overload"

This reverts commits a91dd1d7611e879f8d03bf533c45fa229ed7246d and
48caa2cebaf1723dcfd8665e4859d90e2b55f2a2.

In addition:
 * Update the deprecation message for M55 removal.
 * Exclude changes to postMessage calls outside of tests, as those might
   otherwise trigger the deprecation message.

BUG=425896,649157
TBR=sigbjornf@opera.com,haraken@chromium.org
==========

[foolip, 2016-09-23 09:50:40]

The CQ bit was checked by foolip@chromium.org

[commit-bot: I haz the power, 2016-09-23 09:50:58]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-23 09:50:59]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-09-23 09:51:00]

CLs for remote refs other than refs/pending/heads/master must contain NOTRY=true
and NOPRESUBMIT=true in order for the CQ to process them

[foolip, 2016-09-23 09:53:31]

Description was changed from

==========
Revert "Remove window.postMessage(message, transferables, targetOrigin) legacy
overload"

This reverts commits a91dd1d7611e879f8d03bf533c45fa229ed7246d and
48caa2cebaf1723dcfd8665e4859d90e2b55f2a2.

In addition:
 * Update the deprecation message for M55 removal.
 * Exclude changes to postMessage calls outside of tests, as those might
   otherwise trigger the deprecation message.

BUG=425896,649157
TBR=sigbjornf@opera.com,haraken@chromium.org
==========

to

==========
Revert "Remove window.postMessage(message, transferables, targetOrigin) legacy
overload"

This reverts commits a91dd1d7611e879f8d03bf533c45fa229ed7246d and
48caa2cebaf1723dcfd8665e4859d90e2b55f2a2.

In addition:
 * Update the deprecation message for M55 removal.
 * Exclude changes to postMessage calls outside of tests, as those might
   otherwise trigger the deprecation message.

BUG=425896,649157
TBR=sigbjornf@opera.com,haraken@chromium.org
NOTRY=true
NOPRESUBMIT=true
==========

[foolip, 2016-09-23 09:53:38]

The CQ bit was checked by foolip@chromium.org

[commit-bot: I haz the power, 2016-09-23 09:53:56]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-23 11:25:02]

Description was changed from

==========
Revert "Remove window.postMessage(message, transferables, targetOrigin) legacy
overload"

This reverts commits a91dd1d7611e879f8d03bf533c45fa229ed7246d and
48caa2cebaf1723dcfd8665e4859d90e2b55f2a2.

In addition:
 * Update the deprecation message for M55 removal.
 * Exclude changes to postMessage calls outside of tests, as those might
   otherwise trigger the deprecation message.

BUG=425896,649157
TBR=sigbjornf@opera.com,haraken@chromium.org
NOTRY=true
NOPRESUBMIT=true
==========

to

==========
Revert "Remove window.postMessage(message, transferables, targetOrigin) legacy
overload"

This reverts commits a91dd1d7611e879f8d03bf533c45fa229ed7246d and
48caa2cebaf1723dcfd8665e4859d90e2b55f2a2.

In addition:
 * Update the deprecation message for M55 removal.
 * Exclude changes to postMessage calls outside of tests, as those might
   otherwise trigger the deprecation message.

BUG=425896,649157
TBR=sigbjornf@opera.com,haraken@chromium.org
NOTRY=true
NOPRESUBMIT=true
==========

[commit-bot: I haz the power, 2016-09-23 11:25:03]

Committed patchset #1 (id:1)