Initial implementation of LayoutNG's block layout algorithm for floats.

third_party/WebKit/LayoutTests/TestExpectations

 # Intentional failures to test the layout test system.
 Bug(intentional) [ Android Linux Win Mac10.10 Mac10.11 Retina ] harness-tests/crash.html [ Crash ]
 crbug.com/644303 [ Mac10.9 ] harness-tests/crash.html [ Crash Timeout ]
 Bug(intentional) harness-tests/timeout.html [ Timeout ]
 
 # ====== Oilpan-only failures from here ======
 # Most of these actually cause the tests to report success, rather than
 # failure. Expected outputs will be adjusted for the better once Oilpan
 # has been well and truly enabled always.
 
@@ skipping 199 matching lines @@
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 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/self-collapsing-block-with-float-child-collapsed-margins.html [ Skip ]
 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/self-collapsing-block-with-float-child.html [ Skip ]
 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/self-collapsing-block-with-float-children.html [ Skip ]
 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/self-collapsing-block-with-float-descendants.html [ Skip ]
 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/self-collapsing-cols-creates-block-formatting-context.html [ Skip ]
 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/table-beside-float-complex-margin-collapsing.html [ Skip ]
 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/webkit-margin-collapse-container.html [ Skip ]
 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/webkit-margin-collapse-separate-position.html [ Skip ]
 crbug.com/635619 virtual/layout_ng/fast/block/margin-collapse/webkit-margin-collapse-siblings.html [ Skip ]
+
+#### fast/block/float
+#### Passed: 52
+#### Skipped: 142
+crbug.com/635619 virtual/layout_ng/fast/block/float/001.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/002.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/4145535Crash.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/add-inline-before-float-in-block-children-block.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/add-inline-between-floats-with-preceding-anonymous-box.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/avoid-floats-with-negative-margins.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/avoidance-percent-width-strict.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/float-forced-below-other-floats.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/float-in-float-hit-testing.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/float-in-float-painting.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/float-not-removed-from-next-sibling3.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/float-on-line-obeys-container-padding.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/float-on-zero-height-line.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/float-overflow-hidden-containing-block-width.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/float-overhangs-root.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/float-should-dirty-line-even-when-it-doesnt-intersect-it.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/floats-do-not-overhang-from-block-formatting-context.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/floats-offset-image-quirk-line-height.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/floats-offset-image-quirk.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/floats-offset-image-strict-line-height.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/floats-offset-image-strict.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/formatting-context-changes.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/in-margin.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/independent-align-positioning.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-add-in-sibling-block-on-static-position.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-add-in-sibling-block-on-static-position2.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-not-removed-from-descendant-crash.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-not-removed-writing-mode.xhtml [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-remove-from-sibling-block-on-absolute-position.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-remove-from-sibling-block-on-absolute-position2.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-remove-from-sibling-block-on-fixed-position.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-remove-from-sibling-block-on-fixed-position2.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-float-sibling-with-margin.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/intruding-painted-twice.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/logical-bottom-exceeds-layoutunit-max.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/marquee-shrink-to-avoid-floats.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/max-width-clear-float-with-overflow-hidden.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/multiple-float-positioning.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/narrow-after-wide.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/nested-clearance.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/nested-floats-expand-formatting-context.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/nestedAnonymousBlocks.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/nestedAnonymousBlocks2.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/nopaint-after-layer-destruction.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/nowrap-clear-min-width.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-after-height-decrease-offsets.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-after-height-decrease.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-float-add-in-static-position-block.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-float-add-in-static-position-block2.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-float-container-add-compositing.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-float-container-remove-compositing.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-float-crashes-when-sibling-becomes-formatting-context.html [ Skip ]
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+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-float-remove-from-fixed-position-block.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-float-remove-from-fixed-position-block2.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-from-second-last-sibling.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-from-third-last-sibling.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overhanging-tall-block.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overlapping-floats-paint-hittest-order-1.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overlapping-floats-paint-hittest-order-2.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/overlapping-floats-with-overflow-hidden.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/override-property-float.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/previous-sibling-abspos-001.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/previous-sibling-abspos-002.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/previous-sibling-float-002.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/shrink-to-avoid-float-complexity.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/shrink-to-fit-width.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/table-relayout.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/trailing-float-with-columns.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/trailing-float-with-content.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/vertical-move-relayout.html [ Skip ]
+crbug.com/635619 virtual/layout_ng/fast/block/float/width-update-after-clear.html [ Skip ]
 # ====== LayoutNG-only failures until here ======
 
 # Run these tests with under virtual/scalefactor... only.
 crbug.com/567837 fast/hidpi/static [ Skip ]
 
 # TODO(yosin): We should convert following tests to use asynchronous spell checker.scroll-in
 crbug.com/563265 editing/spelling/context-menu-suggestions.html [ Skip ]
 crbug.com/563265 editing/spelling/spellcheck-editable-on-focus-multiframe.html [ Skip ]
 crbug.com/563265 editing/spelling/spellcheck-editable-on-focus-sync.html [ Skip ]
 crbug.com/563265 editing/spelling/spelling-unified-emulation.html [ Skip ]
@@ skipping 1034 matching lines @@
 crbug.com/655458 imported/wpt/workers/semantics/multiple-workers/007.html [ Failure Timeout ]
 crbug.com/655458 imported/wpt/workers/semantics/multiple-workers/008.html [ Failure Timeout ]
 crbug.com/655458 imported/wpt/workers/semantics/navigation/001.html [ Failure Timeout ]
 crbug.com/655458 imported/wpt/workers/semantics/navigation/002.html [ Failure Timeout ]
 crbug.com/655458 imported/wpt/workers/semantics/reporting-errors/004.html [ Failure Timeout ]
 crbug.com/655458 imported/wpt/workers/semantics/xhr/002.html [ Failure Timeout ]
 crbug.com/655458 imported/wpt/workers/semantics/xhr/004.html [ Failure Timeout ]
 
 crbug.com/655458 imported/wpt/workers/semantics/structured-clone/dedicated.html [ Crash Failure Timeout ]
 crbug.com/655458 imported/wpt/workers/semantics/structured-clone/shared.html [ Crash Failure Timeout ]