Fixes calculation of abspos style properties:

left/padding/width/height...
Replaced NGSizeIndefinite with Optional<LayoutUnit>

Fixed a couple of minor bugs where AvailableSize was incorrect.

Passing ~30 more tests.

BUG=635619

Review-Url: https://codereview.chromium.org/2616613003
Cr-Commit-Position: refs/heads/master@{#441881}

third_party/WebKit/LayoutTests/TestExpectations

@@ -182,22 +182,17 @@ crbug.com/674468 [ Trusty ] compositing/reflections/nested-reflection-transition
 # LayoutNG - is a new layout system for Blink.
 
 #### css2.1/20110323
-#### Passed: 175
-#### Skipped: 234
+#### Passed: 202
+#### Skipped: 207
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@@ -207,22 +202,10 @@ crbug.com/635619 virtual/layout_ng/css2.1/20110323/absolute-non-replaced-max-hei
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@@ -237,9 +220,6 @@ crbug.com/635619 virtual/layout_ng/css2.1/20110323/absolute-replaced-height-003.
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@@ -248,13 +228,11 @@ crbug.com/635619 virtual/layout_ng/css2.1/20110323/absolute-replaced-height-017.
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@@ -284,19 +262,11 @@ crbug.com/635619 virtual/layout_ng/css2.1/20110323/absolute-replaced-width-069.h
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third_party/WebKit/Source/core/layout/ng/ng_absolute_utils.h

@@ -50,7 +50,7 @@ ComputePartialAbsoluteWithChildInlineSize(
     const NGConstraintSpace& space,
     const ComputedStyle& style,
     const NGStaticPosition&,
-    const Optional<LayoutUnit>& child_inline_size);
+    const Optional<MinAndMaxContentSizes>& child_minmax);
 
 // Compute rest of NGPhysicalRect that depends on child's block_size.
 CORE_EXPORT void ComputeFullAbsoluteWithChildBlockSize(

third_party/WebKit/Source/core/layout/ng/ng_absolute_utils_test.cc

@@ -111,7 +111,8 @@ TEST_F(NGAbsoluteUtilsTest, Horizontal) {
   LayoutUnit width =
       container_size_.inline_size - left - margin_left - right - margin_right;
 
-  Optional<LayoutUnit> estimated_inline;
+  Optional<MinAndMaxContentSizes> estimated_inline;
+  MinAndMaxContentSizes minmax_60{LayoutUnit(60), LayoutUnit(60)};
 
   style_->setBorderLeftWidth(border_left.toInt());
   style_->setBorderRightWidth(border_right.toInt());
@@ -135,26 +136,26 @@ TEST_F(NGAbsoluteUtilsTest, Horizontal) {
   // All auto => width is estimated_inline, left is 0.
   SetHorizontalStyle(NGAuto, NGAuto, NGAuto, NGAuto, NGAuto);
   EXPECT_EQ(AbsoluteNeedsChildInlineSize(*style_), true);
-  estimated_inline = LayoutUnit(60);
+  estimated_inline = minmax_60;
   p = ComputePartialAbsoluteWithChildInlineSize(
       *ltr_space_, *style_, static_position, estimated_inline);
-  EXPECT_EQ(*estimated_inline, p.size.width);
+  EXPECT_EQ(minmax_60.min_content, p.size.width);
   EXPECT_EQ(LayoutUnit(0), p.inset.left);
 
   // All auto => width is estimated_inline, static_position is right
   SetHorizontalStyle(NGAuto, NGAuto, NGAuto, NGAuto, NGAuto);
   EXPECT_EQ(AbsoluteNeedsChildInlineSize(*style_), true);
-  estimated_inline = LayoutUnit(60);
+  estimated_inline = minmax_60;
   p = ComputePartialAbsoluteWithChildInlineSize(
       *ltr_space_, *style_, static_right_position, estimated_inline);
-  EXPECT_EQ(*estimated_inline, p.size.width);
+  EXPECT_EQ(minmax_60.min_content, p.size.width);
   EXPECT_EQ(LayoutUnit(0), p.inset.right);
 
   // All auto + RTL.
   p = ComputePartialAbsoluteWithChildInlineSize(
       *rtl_space_, *style_, static_position, estimated_inline);
-  EXPECT_EQ(*estimated_inline, p.size.width);
-  EXPECT_EQ(container_size_.inline_size - *estimated_inline, p.inset.right);
+  EXPECT_EQ(minmax_60.min_content, p.size.width);
+  EXPECT_EQ(container_size_.inline_size - minmax_60.min_content, p.inset.right);
 
   // left, right, and left are known, compute margins.
   SetHorizontalStyle(left, NGAuto, width, NGAuto, right);
@@ -204,10 +205,10 @@ TEST_F(NGAbsoluteUtilsTest, Horizontal) {
   // Rule 1 left and width are auto.
   SetHorizontalStyle(NGAuto, margin_left, NGAuto, margin_right, right);
   EXPECT_EQ(AbsoluteNeedsChildInlineSize(*style_), true);
-  estimated_inline = LayoutUnit(60);
+  estimated_inline = minmax_60;
   p = ComputePartialAbsoluteWithChildInlineSize(
       *ltr_space_, *style_, static_position, estimated_inline);
-  EXPECT_EQ(*estimated_inline, p.size.width);
+  EXPECT_EQ(minmax_60.min_content, p.size.width);
 
   // Rule 2 left and right are auto LTR.
   SetHorizontalStyle(NGAuto, margin_left, width, margin_right, NGAuto);
@@ -230,13 +231,13 @@ TEST_F(NGAbsoluteUtilsTest, Horizontal) {
   // Rule 3 width and right are auto.
   SetHorizontalStyle(left, margin_left, NGAuto, margin_right, NGAuto);
   EXPECT_EQ(AbsoluteNeedsChildInlineSize(*style_), true);
-  estimated_inline = LayoutUnit(60);
+  estimated_inline = minmax_60;
   p = ComputePartialAbsoluteWithChildInlineSize(
       *ltr_space_, *style_, static_position, estimated_inline);
   EXPECT_EQ(
-      container_size_.inline_size - *estimated_inline - left - margin_left,
+      container_size_.inline_size - minmax_60.min_content - left - margin_left,
       p.inset.right);
-  EXPECT_EQ(*estimated_inline, p.size.width);
+  EXPECT_EQ(minmax_60.min_content, p.size.width);
 
   // Rule 4: left is auto.
   SetHorizontalStyle(NGAuto, margin_left, width, margin_right, right);

third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.cc

@@ -8,6 +8,7 @@
 #include "core/layout/ng/ng_block_node.h"
 #include "core/layout/ng/ng_constraint_space_builder.h"
 #include "core/layout/ng/ng_length_utils.h"
+#include "core/layout/ng/ng_physical_fragment.h"
 #include "core/style/ComputedStyle.h"
 #include "core/layout/ng/ng_fragment.h"
 
@@ -34,6 +35,7 @@ NGOutOfFlowLayoutPart::NGOutOfFlowLayoutPart(
   NGConstraintSpaceBuilder space_builder(
       FromPlatformWritingMode(container_style->getWritingMode()));
   space_builder.SetAvailableSize(space_size);
+  space_builder.SetPercentageResolutionSize(space_size);
   space_builder.SetIsNewFormattingContext(true);
   space_builder.SetTextDirection(container_style->direction());
   parent_space_ = space_builder.ToConstraintSpace();
@@ -107,8 +109,7 @@ bool NGOutOfFlowLayoutPart::ComputeInlineSizeEstimate() {
   if (AbsoluteNeedsChildInlineSize(*node_->Style())) {
     MinAndMaxContentSizes size;
     if (node_->ComputeMinAndMaxContentSizes(&size)) {
-      inline_estimate_ =
-          size.ShrinkToFit(parent_space_->AvailableSize().inline_size);
+      inline_estimate_ = size;
       return true;
     }
     return false;
@@ -145,7 +146,7 @@ bool NGOutOfFlowLayoutPart::ComputeNodeFragment() {
     if (block_estimate_)
       available_size.block_size = *block_estimate_;
     builder.SetAvailableSize(available_size);
-    builder.SetPercentageResolutionSize(available_size);
+    builder.SetPercentageResolutionSize(parent_space_->AvailableSize());
     if (block_estimate_)
       builder.SetIsFixedSizeBlock(true);
     builder.SetIsFixedSizeInline(true);

third_party/WebKit/Source/core/layout/ng/ng_out_of_flow_layout_part.h

@@ -63,7 +63,7 @@ class CORE_EXPORT NGOutOfFlowLayoutPart
   Member<NGConstraintSpace> node_space_;
   Member<NGFragment> node_fragment_;
   NGAbsolutePhysicalPosition node_position_;
-  Optional<LayoutUnit> inline_estimate_;
+  Optional<MinAndMaxContentSizes> inline_estimate_;
   Optional<LayoutUnit> block_estimate_;
 };