Check if fragment's block size fits into a layout opportunity.

third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.cc

Index: third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.cc b/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.cc
index c81a44a30c07ffce977f8e719aba85da6a328e90..5676fcbd73b759d0a700fb96d177394b092ad3a3 100644
--- a/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.cc
+++ b/third_party/WebKit/Source/core/layout/ng/inline/ng_inline_layout_algorithm.cc
@@ -49,6 +49,11 @@ NGLogicalOffset GetOriginPointForFloats(const NGConstraintSpace& space,
   origin_point.block_offset += content_size;
   return origin_point;
 }
+
+inline bool IsObjectReplacementCharacter(UChar character) {
+  return character == kObjectReplacementCharacter;
+}
+
 }  // namespace
 
 NGInlineLayoutAlgorithm::NGInlineLayoutAlgorithm(
@@ -469,7 +474,11 @@ bool NGInlineLayoutAlgorithm::PlaceItems(
   baseline = LayoutUnit(baseline.Round());
 
   // Check if the line fits into the constraint space in block direction.
-  LayoutUnit line_bottom = baseline + line_box.Metrics().descent;
+  LayoutUnit line_bottom = baseline;
+
+  if (!Node()->Text().IsAllSpecialCharacters<IsObjectReplacementCharacter>())

[kojii, 2017/04/26 00:51:34]

This doesn't look correct, but I admit ascent/descent for replaced elements
needs more work.

Can you leave a comment that this maybe wrong but needed for
floats-wrap-top-below-002l-ref.xht, so that I can remember when I revisit?

+    line_bottom += line_box.Metrics().descent;
+
   if (!container_builder_.Children().IsEmpty() &&
       ConstraintSpace().AvailableSize().block_size != NGSizeIndefinite &&
       line_bottom > ConstraintSpace().AvailableSize().block_size) {