Inline chart options.
Inline chart options.

Chart options allow users to link charts together, zero y-axis, fix
x-axis, and select a normalization mode.
Currently, chart options are in an abspos dialog displayed by clicking
the gear icon to the left of the minimap.
There have been a few questions indicating that this dialog is not
discoverable enough.
This CL moves these options into an inline box with a chevron pointing
to the gear icon, so it can be displayed by default and easily hidden.

Demo: https://dev-benjhayden-1680058-dot-chromeperf.appspot.com

Change-Id: Ib5b56021c8ccc247de4289673fdc14f6060ff881
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/1680058
Commit-Queue: Ben Hayden <d3ffe0e065c2328e497bb32a07f4dcb29138ef5b@chromium.org>
Reviewed-by: Tiffany Zhang <72ba896c194c60df650ffdf25b6a261246a877c1@chromium.org>

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