Index: third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h |
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h b/third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h |
index 67bc21fa2adbaef016fcbaebcc1e4d8d042e7609..dfcd754d83cc689c9e77a965c08f593e6152b62b 100644 |
--- a/third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h |
+++ b/third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h |
@@ -85,6 +85,10 @@ class CORE_EXPORT NGConstraintSpace final |
// return the size of the layout opportunity. |
virtual NGLogicalSize Size() const { return size_; } |
+ // Whether the current constraint space is for the document root element's |
+ // children. |
+ bool IsRoot() const { return is_root_; } |
+ |
// Whether exceeding the containerSize triggers the presence of a scrollbar |
// for the indicated direction. |
// If exceeded the current layout should be aborted and invoked again with a |
@@ -119,6 +123,7 @@ class CORE_EXPORT NGConstraintSpace final |
void SetOverflowTriggersScrollbar(bool inlineTriggers, bool blockTriggers); |
void SetFixedSize(bool inlineFixed, bool blockFixed); |
void SetFragmentationType(NGFragmentationType); |
+ void SetIsRoot() { is_root_ = true; } |
String ToString() const; |
@@ -128,6 +133,9 @@ class CORE_EXPORT NGConstraintSpace final |
NGLogicalSize size_; |
unsigned writing_mode_ : 3; |
unsigned direction_ : 1; |
+ // Whether the current constraint space is for the document root element's |
+ // children. |
+ bool is_root_ : 1; |
}; |
inline std::ostream& operator<<(std::ostream& stream, |