Reuse cc::PictureLayers when possible for SPv2.

third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2

Index: third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
diff --git a/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2 b/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
index c964ffe0b8dc4d7319a1095a9ad53ef3b7af090e..b18fd3d8d1435c7df691765428ea3448f213b6ee 100644
--- a/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
+++ b/third_party/WebKit/LayoutTests/FlagExpectations/enable-slimming-paint-v2
@@ -593,7 +593,6 @@ fast/css/outline-auto-empty-rects.html [ Failure ]
 fast/css/outline-offset-large.html [ Failure ]
 fast/css/resize-corner-tracking-transformed-iframe.html [ Failure ]
 fast/css/resize-corner-tracking-transformed.html [ Failure ]
-fast/css/sticky/sticky-scrolls-on-main.html [ Failure ]
 fast/css/rtl-ordering.html [ Failure ]
 fast/css/text-overflow-ellipsis-block-with-border-and-padding.html [ Failure ]
 fast/css/text-overflow-ellipsis-multiple-shadows.html [ Failure ]
@@ -714,6 +713,7 @@ fast/forms/select-popup/popup-menu-appearance-empty.html [ Crash ]
 fast/forms/select-popup/popup-menu-appearance-fractional-width.html [ Crash ]
 fast/forms/select-popup/popup-menu-appearance-long.html [ Crash ]
 fast/forms/select-popup/popup-menu-appearance-many.html [ Crash ]
+fast/forms/select-popup/popup-menu-appearance-minimum-font.html [ Crash ]
 fast/forms/select-popup/popup-menu-appearance-rtl-default.html [ Crash ]
 fast/forms/select-popup/popup-menu-appearance-rtl.html [ Crash ]
 fast/forms/select-popup/popup-menu-appearance-single-option.html [ Crash ]
@@ -897,7 +897,7 @@ fast/layers/opacity-outline.html [ Failure ]
 fast/layers/opacity-transforms.html [ Failure ]
 fast/layers/overflow-hidden-clip-path-occlusion.html [ Failure ]
 fast/layers/overflow-hidden-rounded-corners-occlusion.html [ Failure ]
-fast/layers/remove-layer-with-nested-stacking.html [ Failure ]
+fast/layers/remove-layer-with-nested-stacking.html [ Skip ]
 fast/layers/scroll-rect-to-visible.html [ Failure ]
 fast/layers/scroll-with-transform-layer.html [ Failure ]
 fast/lists/008.html [ Failure ]
@@ -971,6 +971,10 @@ fast/multicol/float-content-break.html [ Failure ]
 fast/multicol/float-edge.html [ Failure ]
 fast/multicol/float-paginate-empty-lines.html [ Failure ]
 fast/multicol/float-paginate.html [ Failure ]
+fast/multicol/forced-break-after-block-with-spanner.html [ Failure ]
+fast/multicol/forced-break-after-empty-block-after-spanner.html [ Failure ]
+fast/multicol/forced-break-after-last-block-before-spanner.html  [ Failure ]
+fast/multicol/forced-break-too-short-column.html [ Failure ]
 fast/multicol/foreignObject.html [ Failure ]
 fast/multicol/inline-block-baseline.html [ Failure ]
 fast/multicol/inner-multicol-in-second-column.html [ Failure ]
@@ -1495,11 +1499,6 @@ svg/custom/zoomed-background-alignment.html [ Failure ]
 svg/dom/complex-svgView-specification.html [ Failure ]
 svg/dom/css-transforms.xhtml [ Failure ]
 svg/dom/filter-reference-in-shadow-tree.html [ Failure ]
-svg/dom/SVGLengthList-initialize.xhtml [ Failure ]
-svg/dom/SVGLengthList-insertItemBefore.xhtml [ Failure ]
-svg/dom/SVGLengthList-removeItem.xhtml [ Failure ]
-svg/dom/SVGLengthList-replaceItem.xhtml [ Failure ]
-svg/dom/SVGLengthList-xml-dom-modifications.xhtml [ Failure ]
 svg/dom/SVGStringList-basics.xhtml [ Failure ]
 svg/dynamic-updates/SVG-dynamic-css-transform.html [ Failure ]
 svg/dynamic-updates/SVGCircleElement-dom-cx-attr.html [ Failure ]
@@ -2000,6 +1999,18 @@ svg/zoom/text/zoom-hixie-mixed-008.xml [ Failure ]
 svg/zoom/text/zoom-hixie-mixed-009.xml [ Failure ]
 svg/zoom/text/zoom-svg-float-border-padding.xml [ Failure ]
 
+svg/custom/use-clipped-transform.svg [ Failure ]
+svg/filters/filter-on-tspan.svg [ Failure ]
+svg/dynamic-updates/SVGForeignObjectElement-svgdom-width-prop.html [ Failure ]
+svg/dynamic-updates/SVGForeignObjectElement-svgdom-height-prop.html [ Failure ]
+svg/text/foreignObject-repaint.xml [ Failure ]
+svg/dynamic-updates/SVGForeignObjectElement-dom-height-attr.html [ Failure ]
+svg/custom/percentage-rect.svg [ Failure ]
+svg/custom/image-small-width-height.svg [ Failure ]
+svg/text/non-invertible-matrix-text.svg [ Failure ]
+svg/dynamic-updates/SVGForeignObjectElement-dom-width-attr.html [ Failure ]
+svg/foreignObject/multiple-foreign-objects.html [ Failure ]
+
 crbug.com/642401 fast/css/all-shorthand-first-letter.html [ Failure ]
 
 crbug.com/636463 fast/multicol/vertical-rl/float-truncation.html [ Crash ]
@@ -2075,7 +2086,8 @@ fast/forms/suggestion-picker/month-suggestion-picker-mouse-operations.html [ Fai
 fast/forms/suggestion-picker/time-suggestion-picker-mouse-operations.html [ Failure ]
 fast/forms/suggestion-picker/week-suggestion-picker-mouse-operations.html [ Failure ]
 
-fast/layers/layer-content-visibility-change.html [ Failure ]
+fast/layers/layer-content-visibility-change.html [ Failure Crash ]
+fast/css/invalidation/independent-inheritance-fast-path-initial-keyword.html [ Crash ]
 fast/multicol/nested-with-clipped-first-column.html [ Failure ]
 fast/scrolling/absolute-position-behind-scrollbar.html [ Failure ]
 fast/scrolling/fixed-position-behind-scrollbar.html [ Failure Timeout ]
@@ -2240,3 +2252,5 @@ fast/scrolling/overflow-scrollability.html [ Failure ]
 fast/scrolling/scrollbar-prevent-default.html [ Failure ]
 compositing/lots-of-img-layers-with-opacity.html [ Failure ]
 compositing/lots-of-img-layers.html [ Failure ]
+
+fast/events/overflow-composited-scroll-fake-mouse-move.html [ Skip ]