isPageLogicalHeightKnown() doesn't need a parameter.

third_party/WebKit/Source/core/layout/LayoutBlock.h

Index: third_party/WebKit/Source/core/layout/LayoutBlock.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.h b/third_party/WebKit/Source/core/layout/LayoutBlock.h
index 6e9ae47c0298e0fe3cf4bacf1e7082e8c5c1eb2b..0642d975f118eac70ea2eae3a94b61622db8c25d 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.h
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.h
@@ -505,8 +505,8 @@ class CORE_EXPORT LayoutBlock : public LayoutBox {
   bool widthAvailableToChildrenHasChanged();
 
  protected:
-  bool isPageLogicalHeightKnown(LayoutUnit logicalOffset) const {
-    return pageLogicalHeightForOffset(logicalOffset);
+  bool isPageLogicalHeightKnown() const {
+    return pageLogicalHeightForOffset(LayoutUnit());
   }
 
   // Returns the logical offset at the top of the next page, for a given offset.