Revert of DevTools: Show screenshots on the main flamechart

Revert of DevTools: Show screenshots on the main flamechart (patchset #3 id:40001 of https://codereview.chromium.org/2830343004/ )

Reason for revert:
Panning does not work, as well as HiDPI.

Original issue's description:
> DevTools: Show screenshots on the main flamechart
> 
> The patch puts the screenshots on the frame bar and makes it expandable.
> 
> BUG=705054
> 
> Review-Url: https://codereview.chromium.org/2830343004
> Cr-Commit-Position: refs/heads/master@{#466821}
> Committed: https://chromium.googlesource.com/chromium/src/+/575cce8631ed083645523d47a35090d6ca6ccdfd

TBR=pfeldman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=705054
Review-Url: https://codereview.chromium.org/2854473002
Cr-Commit-Position: refs/heads/master@{#468116}
Committed: https://chromium.googlesource.com/chromium/src/+/cda69aa7da5a081bd6014c56cadec2902b35f10e

[alph, 2017-04-28 18:38:41]

The CQ bit was checked by alph@chromium.org

[alph, 2017-04-28 18:38:41]

Created Revert of DevTools: Show screenshots on the main flamechart

[commit-bot: I haz the power, 2017-04-28 18:39:34]

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, 2017-04-28 20:37:56]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493404721576250, "parent_rev":
"18d20ce633237ad74a62ed025c6f2f91c5f7182e", "commit_rev":
"cda69aa7da5a081bd6014c56cadec2902b35f10e"}

[commit-bot: I haz the power, 2017-04-28 20:38:07]

Description was changed from

==========
Revert of DevTools: Show screenshots on the main flamechart (patchset #3
id:40001 of https://codereview.chromium.org/2830343004/ )

Reason for revert:
Panning does not work, as well as HiDPI.

Original issue's description:
> DevTools: Show screenshots on the main flamechart
> 
> The patch puts the screenshots on the frame bar and makes it expandable.
> 
> BUG=705054
> 
> Review-Url: https://codereview.chromium.org/2830343004
> Cr-Commit-Position: refs/heads/master@{#466821}
> Committed:
https://chromium.googlesource.com/chromium/src/+/575cce8631ed083645523d47a350...

TBR=pfeldman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=705054
==========

to

==========
Revert of DevTools: Show screenshots on the main flamechart (patchset #3
id:40001 of https://codereview.chromium.org/2830343004/ )

Reason for revert:
Panning does not work, as well as HiDPI.

Original issue's description:
> DevTools: Show screenshots on the main flamechart
> 
> The patch puts the screenshots on the frame bar and makes it expandable.
> 
> BUG=705054
> 
> Review-Url: https://codereview.chromium.org/2830343004
> Cr-Commit-Position: refs/heads/master@{#466821}
> Committed:
https://chromium.googlesource.com/chromium/src/+/575cce8631ed083645523d47a350...

TBR=pfeldman@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=705054

Review-Url: https://codereview.chromium.org/2854473002
Cr-Commit-Position: refs/heads/master@{#468116}
Committed:
https://chromium.googlesource.com/chromium/src/+/cda69aa7da5a081bd6014c56cade...
==========

[commit-bot: I haz the power, 2017-04-28 20:38:08]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/cda69aa7da5a081bd6014c56cade...