[LayoutNG] Introduce NGPositionedFloat.

third_party/WebKit/Source/core/layout/ng/ng_floats_utils.h

Index: third_party/WebKit/Source/core/layout/ng/ng_floats_utils.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_floats_utils.h b/third_party/WebKit/Source/core/layout/ng/ng_floats_utils.h
index 449b6c56915a51e996d891f51193fe5233c862e5..5342ba6551c17f63efe9bbefd2ebaa95b6a6b4c9 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_floats_utils.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_floats_utils.h
@@ -9,19 +9,22 @@
 #include "core/layout/ng/ng_constraint_space.h"
 #include "core/layout/ng/ng_floating_object.h"
 #include "core/layout/ng/ng_fragment_builder.h"
+#include "core/layout/ng/ng_positioned_float.h"
 
 namespace blink {
 
 // Positions {@code floating_object} into {@code new_parent_space}.
-// @returns Logical offset of the positioned float.
-CORE_EXPORT NGLogicalOffset PositionFloat(NGFloatingObject*,
-                                          NGConstraintSpace* new_parent_space);
+// @returns A positioned float.
+CORE_EXPORT NGPositionedFloat
+PositionFloat(NGFloatingObject*, NGConstraintSpace* new_parent_space);
 
-// Positions the list of floats by updating their {@code logical_offset}.
-void PositionFloats(LayoutUnit origin_block_offset,
-                    LayoutUnit from_block_offset,
-                    const Vector<RefPtr<NGFloatingObject>>&,
-                    NGConstraintSpace*);
+// Positions the a list of floats. Adds them as exclusions to {@code space} and
+// if given appends them to {@code positioned_floats}.
+CORE_EXPORT void PositionFloats(LayoutUnit origin_block_offset,
+                                LayoutUnit from_block_offset,
+                                const Vector<RefPtr<NGFloatingObject>>&,
+                                Vector<NGPositionedFloat>* positioned_floats,

[Gleb Lanbin, 2017/05/08 19:03:38]

please change the API to return the positioned_floats list instead.

[ikilpatrick, 2017/05/08 19:18:19]

Done.

+                                NGConstraintSpace* space);
 }  // namespace blink
 
 #endif  // NGFloatsUtils_h