Revert of Track where WebContents are created in order to better understand issue.

Revert of Track where WebContents are created in order to better understand issue. (patchset #4 id:80001 of https://codereview.chromium.org/1432143002/ )

Reason for revert:
Reverting Patch Set 4, since it was meant to be temporary anyways.

Original issue's description:
> Track where WebContents are created in order to better understand issue.
>
> This is a temporary change to track down a beta blocking crash.
> This CL doesn't fix the crash, but will give us more information.
>
> The crash is happening when we attempt to show a modal dialog on some
> unknown WebContents that doesn't have a WebModalDialogManager. Not all
> WebContents are expecting to show modal dialogs and the creator of the
> WebModalDialog doesn't control what WebContents they will get at
> runtime. So, because of this loose coupling, we don't know which
> WebContents is triggering the crash.
>
> By adding this trace we expect to learn where the WebContents are
> created in order to make sure they have a WebModalDialogManager.
>
> BUG=538612
>
> Committed: https://crrev.com/e1158d6a42903de1664c12bc91ba056ecb716bb6
> Cr-Commit-Position: refs/heads/master@{#360112}

TBR=nick@chromium.org,wittman@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=538612
Committed: https://crrev.com/62a2747584502c0579b78a35f68ccca4491c9b73
Cr-Commit-Position: refs/heads/master@{#362292}

[hcarmona, 2015-12-01 00:29:55]

Created Revert of Track where WebContents are created in order to better
understand issue.

[commit-bot: I haz the power, 2015-12-01 00:30:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1486863002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1486863002/1

[commit-bot: I haz the power, 2015-12-01 00:36:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1486863002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1486863002/1

[commit-bot: I haz the power, 2015-12-01 00:44:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-01 00:46:09]

Description was changed from

==========
Revert of Track where WebContents are created in order to better understand
issue. (patchset #4 id:80001 of https://codereview.chromium.org/1432143002/ )

Reason for revert:
Reverting Patch Set 4, since it was meant to be temporary anyways.

Original issue's description:
> Track where WebContents are created in order to better understand issue.
> 
> This is a temporary change to track down a beta blocking crash.
> This CL doesn't fix the crash, but will give us more information.
> 
> The crash is happening when we attempt to show a modal dialog on some
> unknown WebContents that doesn't have a WebModalDialogManager. Not all
> WebContents are expecting to show modal dialogs and the creator of the
> WebModalDialog doesn't control what WebContents they will get at
> runtime. So, because of this loose coupling, we don't know which
> WebContents is triggering the crash.
> 
> By adding this trace we expect to learn where the WebContents are
> created in order to make sure they have a WebModalDialogManager.
> 
> BUG=538612
> 
> Committed: https://crrev.com/e1158d6a42903de1664c12bc91ba056ecb716bb6
> Cr-Commit-Position: refs/heads/master@{#360112}

TBR=nick@chromium.org,wittman@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=538612
==========

to

==========
Revert of Track where WebContents are created in order to better understand
issue. (patchset #4 id:80001 of https://codereview.chromium.org/1432143002/ )

Reason for revert:
Reverting Patch Set 4, since it was meant to be temporary anyways.

Original issue's description:
> Track where WebContents are created in order to better understand issue.
>
> This is a temporary change to track down a beta blocking crash.
> This CL doesn't fix the crash, but will give us more information.
>
> The crash is happening when we attempt to show a modal dialog on some
> unknown WebContents that doesn't have a WebModalDialogManager. Not all
> WebContents are expecting to show modal dialogs and the creator of the
> WebModalDialog doesn't control what WebContents they will get at
> runtime. So, because of this loose coupling, we don't know which
> WebContents is triggering the crash.
>
> By adding this trace we expect to learn where the WebContents are
> created in order to make sure they have a WebModalDialogManager.
>
> BUG=538612
>
> Committed: https://crrev.com/e1158d6a42903de1664c12bc91ba056ecb716bb6
> Cr-Commit-Position: refs/heads/master@{#360112}

TBR=nick@chromium.org,wittman@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=538612

Committed: https://crrev.com/62a2747584502c0579b78a35f68ccca4491c9b73
Cr-Commit-Position: refs/heads/master@{#362292}
==========

[commit-bot: I haz the power, 2015-12-01 00:46:11]

Patchset 1 (id:??) landed as
https://crrev.com/62a2747584502c0579b78a35f68ccca4491c9b73
Cr-Commit-Position: refs/heads/master@{#362292}