[LayoutNG] Remove the ng_layout_coordinator and temporary LayoutSync method.

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

Index: third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc b/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc
index 238c3b0dc9b0e67b3b35ff7d137341c747ca0ecb..045d35587316e7401d7946b5f2af492f3e2d92ba 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc
+++ b/third_party/WebKit/Source/core/layout/ng/ng_block_layout_algorithm.cc
@@ -219,10 +219,7 @@ bool NGBlockLayoutAlgorithm::ComputeMinAndMaxContentSizes(
   return true;
 }
 
-NGLayoutStatus NGBlockLayoutAlgorithm::Layout(
-    NGPhysicalFragment* child_fragment,
-    NGPhysicalFragment** fragment_out,
-    NGLayoutAlgorithm** algorithm_out) {
+NGPhysicalFragment* NGBlockLayoutAlgorithm::Layout() {
   WTF::Optional<MinAndMaxContentSizes> sizes;
   if (NeedMinAndMaxContentSizes(ConstraintSpace(), Style())) {
     // TODO(ikilpatrick): Change ComputeMinAndMaxContentSizes to return
@@ -291,13 +288,8 @@ NGLayoutStatus NGBlockLayoutAlgorithm::Layout(
            SpaceAvailableForCurrentChild() > LayoutUnit());
     space_for_current_child_ = CreateConstraintSpaceForCurrentChild();
 
-    NGFragment* fragment;
-    current_child_->LayoutSync(space_for_current_child_, &fragment);
-    NGPhysicalFragment* child_fragment = fragment->PhysicalFragment();
-
-    // TODO(layout_ng): Seems like a giant hack to call this here.
-    current_child_->UpdateLayoutBox(toNGPhysicalBoxFragment(child_fragment),

[cbiesinger, 2017/01/20 21:21:56]

Oh I see... this was only needed because we did not call box::Layout... wow,
glad we got rid of that.

[ikilpatrick, 2017/01/20 23:19:57]

Yeah going through the boxes now might make things easier.

-                                    space_for_current_child_);
+    NGPhysicalFragment* child_fragment =
+        current_child_->Layout(space_for_current_child_);
 
     FinishCurrentChildLayout(new NGBoxFragment(
         ConstraintSpace().WritingMode(), ConstraintSpace().Direction(),
@@ -329,8 +321,7 @@ NGLayoutStatus NGBlockLayoutAlgorithm::Layout(
   if (ConstraintSpace().HasBlockFragmentation())
     FinalizeForFragmentation();
 
-  *fragment_out = builder_->ToBoxFragment();
-  return kNewFragment;
+  return builder_->ToBoxFragment();
 }
 
 void NGBlockLayoutAlgorithm::FinishCurrentChildLayout(NGFragment* fragment) {