Hold worker reference to prevent GC in flaky test

TBR=dgrogan@chromium.org
BUG=338866

Review URL: https://codereview.chromium.org/154953002

git-svn-id: svn://svn.chromium.org/blink/trunk@166533 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fixed compilation and a crash when PRELOAD_DEBUG is set in ResourceFetcher.cpp

BUG=
R=japhet@chromium.org

Review URL: https://codereview.chromium.org/155093003

git-svn-id: svn://svn.chromium.org/blink/trunk@166534 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Fix linear-gradient definition in dataGrid.css

This was spotted by Eugene Klyuchnikov <eustas@chromium.org>
in https://codereview.chromium.org/152493003/.

Review URL: https://codereview.chromium.org/152033007

git-svn-id: svn://svn.chromium.org/blink/trunk@166535 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Revert 166493 "DevTools: remove references to modules/device_ori..."

This patch breaks all the tests on the GPU bots.

BUG=341111

> DevTools: remove references to modules/device_orientation from core
> 
> BUG=340221
> 
> Review URL: https://codereview.chromium.org/150913003

TBR=kaznacheev@chromium.org

Review URL: https://codereview.chromium.org/141703030

git-svn-id: svn://svn.chromium.org/blink/trunk@166536 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Deprecating CanvasRenderingContext2D.webkit[Put|Get]ImageDataHD

BUG=277205
R=senorblanco@chromium.org

Review URL: https://codereview.chromium.org/154513002

git-svn-id: svn://svn.chromium.org/blink/trunk@166537 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Cleanup some more pagination dead code.

paginationUnit and behavesLikeColumns are both only ever set to
one value.

Review URL: https://codereview.chromium.org/148233010

git-svn-id: svn://svn.chromium.org/blink/trunk@166538 bbb929c8-8fbe-4397-9dbb-9b2b20218538