Revert "DevTools: [Styles] Hide live pseudo style updates from inspected page behind an opt-in setting"

Live pseudo-class style updates break certain user workflows

This reverts commit 0152c1bedd2a480520c3e81ade107e247bc4dc71.

TBR=vsevik
NOTRY=true

Review URL: https://codereview.chromium.org/104003008

git-svn-id: svn://svn.chromium.org/blink/trunk@164171 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Revert "DevTools: [Styles] Reflect the element pseudo-state in the Styles pane"

This reverts commit 2b163f0d05dca00c81c939be2e31d5165c618b6d.

Live updates of pseudo-class styles break certain user workflows

Conflicts:
	LayoutTests/inspector/styles/pseudo-state-change-expected.txt
	LayoutTests/inspector/styles/pseudo-state-change.html
	Source/devtools/front_end/DOMAgent.js

TBR=vsevik

Review URL: https://codereview.chromium.org/116123005

git-svn-id: svn://svn.chromium.org/blink/trunk@164174 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Do not use (mostly) deprecated Object::New function.

R=dcarney@chromium.org
BUG=324225

Review URL: https://codereview.chromium.org/111573006

git-svn-id: svn://svn.chromium.org/blink/trunk@164175 bbb929c8-8fbe-4397-9dbb-9b2b20218538