Always relayout children of LayoutView when printing.

third_party/WebKit/Source/core/layout/LayoutView.cpp

Index: third_party/WebKit/Source/core/layout/LayoutView.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutView.cpp b/third_party/WebKit/Source/core/layout/LayoutView.cpp
index 04fd60e700f29ea69fdc099b00fa0ec8a955305e..28b02a5556322afab423f1b7829a86080191756e 100644
--- a/third_party/WebKit/Source/core/layout/LayoutView.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutView.cpp
@@ -821,6 +821,13 @@ LayoutRect LayoutView::DebugRect() const {
   return rect;
 }
 
+bool LayoutView::UpdateLogicalWidthAndColumnWidth() {
+  bool relayout_children = LayoutBlockFlow::UpdateLogicalWidthAndColumnWidth();
+  // When we're printing, the size of LayoutView is changed outside of layout,
+  // so we'll fail to detect any changes here. Just return true.
+  return relayout_children || ShouldUsePrintingLayout();
+}
+
 bool LayoutView::PaintedOutputOfObjectHasNoEffectRegardlessOfSize() const {
   // Frame scroll corner is painted using LayoutView as the display item client.
   if (!RuntimeEnabledFeatures::rootLayerScrollingEnabled() &&