[LayoutNG] Allow block-flow layout to be fragmented using new approach.

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

Index: third_party/WebKit/Source/core/layout/ng/ng_block_break_token.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_block_break_token.h b/third_party/WebKit/Source/core/layout/ng/ng_block_break_token.h
index 64fac59bc5acdd4d314f5cf1f16bc74d1426e29b..416d9be2e51a97b5756a7fa2f23d29ffb4429b5d 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_block_break_token.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_block_break_token.h
@@ -26,7 +26,7 @@ class CORE_EXPORT NGBlockBreakToken : public NGBreakToken {
                     HeapVector<Member<NGBreakToken>>& child_break_tokens);
 
   // Creates a break token for a node which cannot produce any more fragments.
-  explicit NGBlockBreakToken(NGBlockNode* node);
+  explicit NGBlockBreakToken(NGLayoutInputNode* node);
 
   // TODO(ikilpatrick): Remove this constructor and break_offset once we've

[mstensho (USE GERRIT), 2017/02/27 20:28:20]

Now is the time, I guess?

[ikilpatrick, 2017/02/27 20:44:55]

Done!

   // switched to new multi-col approach.