DevTools: 'Overrides' UI overlay obstructs page and element inspector

BUG=302862
R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/40233006

git-svn-id: svn://svn.chromium.org/blink/trunk@160559 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Gardening: appcache-iframe-manifests.html times out on Win

http/tests/inspector/appcache/appcache-iframe-manifests.html times out

BUG=311524
TBR=jsbell

Review URL: https://codereview.chromium.org/43743002

git-svn-id: svn://svn.chromium.org/blink/trunk@160560 bbb929c8-8fbe-4397-9dbb-9b2b20218538
[DevTools] FilterBar: regex is not cached.

BUG=

Review URL: https://codereview.chromium.org/43643002

git-svn-id: svn://svn.chromium.org/blink/trunk@160561 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Gardening: fast/dom/Geolocation/timestamp.html fails on Win

BUG=311532
TBR=jsbell

Review URL: https://codereview.chromium.org/43773002

git-svn-id: svn://svn.chromium.org/blink/trunk@160562 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Add navigation progress bar to Screencast view

BUG=308087

Review URL: https://codereview.chromium.org/40223003

git-svn-id: svn://svn.chromium.org/blink/trunk@160563 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Auto-rebaseline for r160551

http://src.chromium.org/viewvc/blink?view=revision&revision=160551

BUG=311469
TBR=pdr@chromium.org

Review URL: https://codereview.chromium.org/43653004

git-svn-id: svn://svn.chromium.org/blink/trunk@160564 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Reduced preloader tests delay to reduce flakiness

I've modified all the preloader tests' delay from 1 second to 100ms, since some of them were timing out on the bots.
I've also removed the slow test annotation of dont-preload-non-img-srcset.html

BUG=311484

Review URL: https://codereview.chromium.org/43653002

git-svn-id: svn://svn.chromium.org/blink/trunk@160565 bbb929c8-8fbe-4397-9dbb-9b2b20218538