[layoutng] Add a shrink-to-fit flag to the constraint space

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

Index: third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc b/third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc
index 71e50cae09e8906c5148529a7b131db969cd3294..ee5f71358b0552d6f29ec308921b72af010eec4c 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc
@@ -14,6 +14,7 @@ NGConstraintSpaceBuilder::NGConstraintSpaceBuilder(
       parent_writing_mode_(writing_mode_),
       is_fixed_size_inline_(false),
       is_fixed_size_block_(false),
+      has_forced_shrink_to_fit_(false),
       is_inline_direction_triggers_scrollbar_(false),
       is_block_direction_triggers_scrollbar_(false),
       fragmentation_type_(kFragmentNone),
@@ -26,6 +27,7 @@ NGConstraintSpaceBuilder::NGConstraintSpaceBuilder(NGWritingMode writing_mode)
       parent_writing_mode_(writing_mode_),
       is_fixed_size_inline_(false),
       is_fixed_size_block_(false),
+      has_forced_shrink_to_fit_(false),
       is_inline_direction_triggers_scrollbar_(false),
       is_block_direction_triggers_scrollbar_(false),
       fragmentation_type_(kFragmentNone),
@@ -63,6 +65,12 @@ NGConstraintSpaceBuilder& NGConstraintSpaceBuilder::SetIsFixedSizeBlock(
   return *this;
 }
 
+NGConstraintSpaceBuilder& NGConstraintSpaceBuilder::SetForceShrinkToFit(
+    bool shrink_to_fit) {
+  has_forced_shrink_to_fit_ = shrink_to_fit;
+  return *this;
+}
+
 NGConstraintSpaceBuilder&
 NGConstraintSpaceBuilder::SetIsInlineDirectionTriggersScrollbar(
     bool is_inline_direction_triggers_scrollbar) {
@@ -114,7 +122,7 @@ NGConstraintSpace* NGConstraintSpaceBuilder::ToConstraintSpace() {
         {available_size_.inline_size, available_size_.block_size},
         {percentage_resolution_size_.inline_size,
          percentage_resolution_size_.block_size},
-        is_fixed_size_inline_, is_fixed_size_block_,
+        is_fixed_size_inline_, is_fixed_size_block_, has_forced_shrink_to_fit_,
         is_inline_direction_triggers_scrollbar_,
         is_block_direction_triggers_scrollbar_,
         static_cast<NGFragmentationType>(fragmentation_type_), is_new_fc_,
@@ -127,7 +135,7 @@ NGConstraintSpace* NGConstraintSpaceBuilder::ToConstraintSpace() {
       {available_size_.block_size, available_size_.inline_size},
       {percentage_resolution_size_.block_size,
        percentage_resolution_size_.inline_size},
-      is_fixed_size_block_, is_fixed_size_inline_,
+      is_fixed_size_block_, is_fixed_size_inline_, has_forced_shrink_to_fit_,
       is_block_direction_triggers_scrollbar_,
       is_inline_direction_triggers_scrollbar_,
       static_cast<NGFragmentationType>(fragmentation_type_), is_new_fc_,