Revert of [DevTools] Device Mode polish.

Revert of [DevTools] Device Mode polish. (patchset #1 id:1 of https://codereview.chromium.org/1564363005/ )

Reason for revert:
Breaks responsive design mode.

Original issue's description:
> [DevTools] Device Mode polish.
>
> - removed blueprints;
> - reworked zoom;
> - allowed sticky height (empty value);
> - resizing on toggling rulers;
> - layout adjustments;
> - fixed wrong values in options menu.
>
> BUG=540864
>
> Committed: https://crrev.com/22d8f1d01fc461524258b9856f326697f9b84b0c
> Cr-Commit-Position: refs/heads/master@{#368686}

TBR=dgozman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=540864
Committed: https://crrev.com/babf0d2976dc857040fb6b98147f88c27e13e85f
Cr-Commit-Position: refs/heads/master@{#368952}

[pfeldman, 2016-01-12 19:37:17]

Created Revert of [DevTools] Device Mode polish.

[commit-bot: I haz the power, 2016-01-12 19:37:59]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1581763002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1581763002/1

[commit-bot: I haz the power, 2016-01-12 19:40:44]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-12 19:41:57]

Description was changed from

==========
Revert of [DevTools] Device Mode polish. (patchset #1 id:1 of
https://codereview.chromium.org/1564363005/ )

Reason for revert:
Breaks responsive design mode.

Original issue's description:
> [DevTools] Device Mode polish.
> 
> - removed blueprints;
> - reworked zoom;
> - allowed sticky height (empty value);
> - resizing on toggling rulers;
> - layout adjustments;
> - fixed wrong values in options menu.
> 
> BUG=540864
> 
> Committed: https://crrev.com/22d8f1d01fc461524258b9856f326697f9b84b0c
> Cr-Commit-Position: refs/heads/master@{#368686}

TBR=dgozman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=540864
==========

to

==========
Revert of [DevTools] Device Mode polish. (patchset #1 id:1 of
https://codereview.chromium.org/1564363005/ )

Reason for revert:
Breaks responsive design mode.

Original issue's description:
> [DevTools] Device Mode polish.
>
> - removed blueprints;
> - reworked zoom;
> - allowed sticky height (empty value);
> - resizing on toggling rulers;
> - layout adjustments;
> - fixed wrong values in options menu.
>
> BUG=540864
>
> Committed: https://crrev.com/22d8f1d01fc461524258b9856f326697f9b84b0c
> Cr-Commit-Position: refs/heads/master@{#368686}

TBR=dgozman@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=540864

Committed: https://crrev.com/babf0d2976dc857040fb6b98147f88c27e13e85f
Cr-Commit-Position: refs/heads/master@{#368952}
==========

[commit-bot: I haz the power, 2016-01-12 19:41:58]

Patchset 1 (id:??) landed as
https://crrev.com/babf0d2976dc857040fb6b98147f88c27e13e85f
Cr-Commit-Position: refs/heads/master@{#368952}