Unreviewed GTK gardening.

Added missing baselines for some regions tests.

* platform/gtk/fast/regions/auto-size/autoheight-regions-mark-expected.txt: Added.
* platform/gtk/fast/regions/flows-dependency-dynamic-remove-expected.txt: Added.
* platform/gtk/fast/regions/flows-dependency-same-flow-expected.txt: Added.
* platform/gtk/fast/regions/iframe-html-collected-expected.txt: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161957 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Pack ResourceLoaderOptions harder.
<https://webkit.org/b/126972>

Make all ResourceLoaderOptions members bitfields to reduce padding,
shrinking it from 28 to 4 bytes.

Reviewed by Antti Koivisto.

* loader/ResourceLoaderOptions.h:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161958 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed GTK gardening.

Added missing baselines for some regions tests.

* platform/gtk/TestExpectations: Unskip tests as new baselines have been added.
* platform/gtk/fast/regions/multiple-directionality-changes-in-variable-width-regions-expected.txt: Added.
* platform/gtk/fast/regions/region-dynamic-after-before-expected.txt: Added.
* platform/gtk/fast/regions/region-generated-content-before-after-expected.txt: Added.
* platform/gtk/fast/regions/repaint/japanese-rl-selection-repaint-in-regions-expected.txt: Added.
* platform/gtk/fast/regions/repaint/line-flow-with-floats-in-regions-expected.txt: Added.
* platform/gtk/fast/regions/repaint/overflow-flipped-writing-mode-block-in-regions-expected.txt: Added.
* platform/gtk/fast/regions/repaint/region-painting-invalidation-expected.txt: Added.
* platform/gtk/fast/regions/repaint/region-painting-via-layout-expected.txt: Added.
* platform/gtk/fast/regions/text-region-split-small-pagination-expected.txt: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161959 268f45cc-cd09-0410-ab3c-d52691b4dbfc