[FlexNG] Remove redundant IsMultiline method

Sufficient refactoring has been done that FlexLayoutAlgorithm exists at
the time of the call and we can use its method.

Bug: 845235
Change-Id: I1d81924bdaad97ab6d176862ff21c6841b246987
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2050738
Auto-Submit: David Grogan <dgrogan@chromium.org>
Reviewed-by: Christian Biesinger <cbiesinger@chromium.org>
Commit-Queue: David Grogan <dgrogan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#740850}

third_party/blink/renderer/core/layout/ng/ng_flex_layout_algorithm.cc

@@ -1038,7 +1038,7 @@ base::Optional<MinMaxSize> NGFlexLayoutAlgorithm::ComputeMinMaxSize(
       sizes->max_size = std::max(sizes->max_size, child_min_max_sizes.max_size);
     } else {
       sizes->max_size += child_min_max_sizes.max_size;
-      if (IsMultiline()) {
+      if (algorithm_->IsMultiline()) {
         sizes->min_size =
             std::max(sizes->min_size, child_min_max_sizes.min_size);
       } else {
@@ -1055,8 +1055,4 @@ base::Optional<MinMaxSize> NGFlexLayoutAlgorithm::ComputeMinMaxSize(
   return sizes;
 }
 
-bool NGFlexLayoutAlgorithm::IsMultiline() const {
-  return Style().FlexWrap() != EFlexWrap::kNowrap;
-}
-
 }  // namespace blink

third_party/blink/renderer/core/layout/ng/ng_flex_layout_algorithm.h

@@ -72,11 +72,6 @@ class CORE_EXPORT NGFlexLayoutAlgorithm
       LayoutUnit block_offset,
       base::Optional<LayoutUnit>* fallback_baseline);
 
-  // TODO(dgrogan): This is redundant with FlexLayoutAlgorithm.IsMultiline() but
-  // it's needed before the algorithm is instantiated. Figure out how to
-  // not reimplement.
-  bool IsMultiline() const;
-
   const NGBoxStrut border_padding_;
   const NGBoxStrut border_scrollbar_padding_;
   const bool is_column_;