[FlexNG] Fix documentation for FlexItem constructor.

As above - followup from:
https://chromium-review.googlesource.com/c/chromium/src/+/2012161

Bug: 845235
Change-Id: I48021b5a42b34500393594e7739a89289e9d8ed6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2014447
Commit-Queue: Ian Kilpatrick <ikilpatrick@chromium.org>
Reviewed-by: Christian Biesinger <cbiesinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734015}

third_party/blink/renderer/core/layout/flexible_box_algorithm.cc

@@ -77,7 +77,7 @@ FlexItem::FlexItem(const FlexLayoutAlgorithm* algorithm,
                    LayoutBox* box,
                    const ComputedStyle& style,
                    LayoutUnit flex_base_content_size,
-                   MinMaxSize min_max_sizes,
+                   MinMaxSize min_max_main_sizes,
                    base::Optional<MinMaxSize> min_max_cross_sizes,
                    LayoutUnit main_axis_border_padding,
                    LayoutUnit cross_axis_border_padding,
@@ -87,17 +87,17 @@ FlexItem::FlexItem(const FlexLayoutAlgorithm* algorithm,
       box(box),
       style(style),
       flex_base_content_size(flex_base_content_size),
-      min_max_sizes(min_max_sizes),
+      min_max_main_sizes(min_max_main_sizes),
       min_max_cross_sizes(min_max_cross_sizes),
       hypothetical_main_content_size(
-          min_max_sizes.ClampSizeToMinAndMax(flex_base_content_size)),
+          min_max_main_sizes.ClampSizeToMinAndMax(flex_base_content_size)),
       main_axis_border_padding(main_axis_border_padding),
       cross_axis_border_padding(cross_axis_border_padding),
       physical_margins(physical_margins),
       frozen(false),
       needs_relayout_for_stretch(false),
       ng_input_node(/* LayoutBox* */ nullptr) {
-  DCHECK_GE(min_max_sizes.max_size, LayoutUnit())
+  DCHECK_GE(min_max_main_sizes.max_size, LayoutUnit())
       << "Use LayoutUnit::Max() for no max size";
 }
 

third_party/blink/renderer/core/layout/flexible_box_algorithm.h

@@ -113,14 +113,14 @@ class FlexItem {
  public:
   // Parameters:
   // - |flex_base_content_size| includes scrollbar size but not border/padding.
-  // - |min_max_sizes| is the resolved min and max size properties in the
+  // - |min_max_main_sizes| is the resolved min and max size properties in the
   //   main axis direction (not intrinsic widths). It does not include
-  //   border/scrollbar/padding.
+  //   border/padding.
   FlexItem(const FlexLayoutAlgorithm*,
            LayoutBox*,
            const ComputedStyle& style,
            LayoutUnit flex_base_content_size,
-           MinMaxSize min_max_main_axis_sizes,
+           MinMaxSize min_max_main_sizes,
            // Ignored for legacy, required for NG:
            base::Optional<MinMaxSize> min_max_cross_sizes,
            LayoutUnit main_axis_border_padding,
@@ -147,7 +147,7 @@ class FlexItem {
   }
 
   LayoutUnit ClampSizeToMinAndMax(LayoutUnit size) const {
-    return min_max_sizes.ClampSizeToMinAndMax(size);
+    return min_max_main_sizes.ClampSizeToMinAndMax(size);
   }
 
   ItemPosition Alignment() const;
@@ -190,7 +190,7 @@ class FlexItem {
   LayoutBox* box;
   const ComputedStyle& style;
   const LayoutUnit flex_base_content_size;
-  const MinMaxSize min_max_sizes;
+  const MinMaxSize min_max_main_sizes;
   const base::Optional<MinMaxSize> min_max_cross_sizes;
   const LayoutUnit hypothetical_main_content_size;
   const LayoutUnit main_axis_border_padding;