Update slimming paint v2 test expectations

6 new passing tests, likely from incremental paint property fixes:
https://crrev.com/1ea99b023ae5c0d7a421b2e308fa910aa6bd107c

1 new css blend mode failure, likely from the recent blend mode work.

1 untriaged failure in popup menu positioning.

CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2579213003
Cr-Commit-Position: refs/heads/master@{#439160}

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

@@ -233,17 +233,13 @@ Bug(none) compositing/layer-creation/assumed-overlap-for-inline-transform.html [
 Bug(none) compositing/layer-creation/fixed-position-and-transform.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-change-out-of-view-in-view.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-in-fixed-overflow.html [ Failure ]
-Bug(none) compositing/layer-creation/fixed-position-in-view-dynamic.html [ Failure ]
-Bug(none) compositing/layer-creation/fixed-position-no-content-scroll-reason.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-no-content.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-nonscrollable-body-mismatch-containers.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-nonscrollable-body-overlap.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-nonscrollable-iframes-in-scrollable-page.html [ Failure ]
-Bug(none) compositing/layer-creation/fixed-position-out-of-view-dynamic.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-out-of-view-positioning.html [ Crash Failure ]
 Bug(none) compositing/layer-creation/fixed-position-out-of-view-scaled-scroll.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-out-of-view-scaled.html [ Failure ]
-Bug(none) compositing/layer-creation/fixed-position-out-of-view-scroll-reason.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-out-of-view-with-backdrop-filter.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-out-of-view.html [ Failure ]
 Bug(none) compositing/layer-creation/fixed-position-scroll.html [ Failure ]
@@ -1872,7 +1868,6 @@ Bug(none) compositing/overflow/overflow-overlay-with-touch-no-overflow.html [ Fa
 Bug(none) compositing/overflow/overflow-overlay-with-touch.html [ Failure ]
 Bug(none) compositing/overflow/overflow-scroll-with-touch-no-overflow.html [ Failure ]
 Bug(none) compositing/squashing/invalidations-with-large-negative-margin-inline-content.html [ Failure ]
-Bug(none) compositing/visibility/visibility-composited-incremental-update.html [ Failure ]
 Bug(none) fast/dom/vertical-scrollbar-in-rtl.html [ Failure ]
 Bug(none) fast/events/continuous-platform-wheelevent-in-scrolling-div.html [ Failure ]
 Bug(none) fast/events/middleClickAutoscroll-click-hyperlink.html [ Failure ]
@@ -1890,7 +1885,6 @@ Bug(none) fast/forms/suggestion-picker/month-suggestion-picker-mouse-operations.
 Bug(none) fast/forms/suggestion-picker/time-suggestion-picker-mouse-operations.html [ Failure ]
 Bug(none) fast/forms/suggestion-picker/week-suggestion-picker-mouse-operations.html [ Failure ]
 
-Bug(none) fast/layers/layer-content-visibility-change.html [ Failure Crash ]
 Bug(none) fast/multicol/nested-with-clipped-first-column.html [ Failure ]
 Bug(none) fast/scrolling/absolute-position-behind-scrollbar.html [ Failure ]
 Bug(none) fast/scrolling/fixed-position-behind-scrollbar.html [ Failure Timeout ]
@@ -2192,6 +2186,10 @@ Bug(none) css3/blending/svg-blend-screen.html [ Failure ]
 Bug(none) css3/blending/svg-blend-soft-light.html [ Failure ]
 Bug(none) css3/blending/svg-isolation-foreign-no-isolation.html [ Failure ]
 
+Bug(none) fast/forms/select-popup/popup-menu-position.html [ Failure ]
+
+crbug.com/674805 css3/blending/mix-blend-mode-with-squashing-layer.html [ Failure ]
+
 # Failures due to rounding differences
 crbug.com/589265 css3/blending/mix-blend-mode-isolated-group-1.html [ Failure ]
 crbug.com/589265 css3/blending/mix-blend-mode-isolated-group-3.html [ Failure ]