Revert of [DevTools] Added base SourceMap implementation on backend

Revert of [DevTools] Added base SourceMap implementation on backend (patchset #9 id:180001 of https://codereview.chromium.org/1574133002/ )

Reason for revert:
Broke oilpan build: https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Oilpan%20Builder/builds/335/steps/steps/logs/stdio

Original issue's description:
> [DevTools] Added base SourceMap implementation on backend
>
> This class will be used in next CL for parsing inline source maps on backend side. We need to parse it for skipping pauses in blackboxed sources with source maps.
>
> BUG=341082
> R=pfeldman@chromium.org,lushnikov@chromium.org,dgozman@chromium.org
>
> Committed: https://crrev.com/3136a502672cbdae1cc51c93b5ab3b79e778416d
> Cr-Commit-Position: refs/heads/master@{#369618}

TBR=lushnikov@chromium.org,pfeldman@chromium.org,dgozman@chromium.org,kozyatinskiy@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=341082
Committed: https://crrev.com/db827dff1dacdf28ae75635819d4e457dcacf38b
Cr-Commit-Position: refs/heads/master@{#369622}

[caseq, 2016-01-15 00:07:32]

Created Revert of [DevTools] Added base SourceMap implementation on backend

[commit-bot: I haz the power, 2016-01-15 00:08:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1588053004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1588053004/1

[commit-bot: I haz the power, 2016-01-15 00:09:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-15 00:10:42]

Description was changed from

==========
Revert of [DevTools] Added base SourceMap implementation on backend (patchset #9
id:180001 of https://codereview.chromium.org/1574133002/ )

Reason for revert:
Broke oilpan build:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Oilpan...

Original issue's description:
> [DevTools] Added base SourceMap implementation on backend
> 
> This class will be used in next CL for parsing inline source maps on backend
side. We need to parse it for skipping pauses in blackboxed sources with source
maps.
> 
> BUG=341082
> R=pfeldman@chromium.org,lushnikov@chromium.org,dgozman@chromium.org
> 
> Committed: https://crrev.com/3136a502672cbdae1cc51c93b5ab3b79e778416d
> Cr-Commit-Position: refs/heads/master@{#369618}

TBR=lushnikov@chromium.org,pfeldman@chromium.org,dgozman@chromium.org,kozyati...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=341082
==========

to

==========
Revert of [DevTools] Added base SourceMap implementation on backend (patchset #9
id:180001 of https://codereview.chromium.org/1574133002/ )

Reason for revert:
Broke oilpan build:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Oilpan...

Original issue's description:
> [DevTools] Added base SourceMap implementation on backend
>
> This class will be used in next CL for parsing inline source maps on backend
side. We need to parse it for skipping pauses in blackboxed sources with source
maps.
>
> BUG=341082
> R=pfeldman@chromium.org,lushnikov@chromium.org,dgozman@chromium.org
>
> Committed: https://crrev.com/3136a502672cbdae1cc51c93b5ab3b79e778416d
> Cr-Commit-Position: refs/heads/master@{#369618}

TBR=lushnikov@chromium.org,pfeldman@chromium.org,dgozman@chromium.org,kozyati...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=341082

Committed: https://crrev.com/db827dff1dacdf28ae75635819d4e457dcacf38b
Cr-Commit-Position: refs/heads/master@{#369622}
==========

[commit-bot: I haz the power, 2016-01-15 00:10:43]

Patchset 1 (id:??) landed as
https://crrev.com/db827dff1dacdf28ae75635819d4e457dcacf38b
Cr-Commit-Position: refs/heads/master@{#369622}