Percent height content should respect the height of its containing cell

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

Index: third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h
index 3d6e8df7d19625459f7a1ad95be63033840281c1..c39cc0a2f30ffba101539a63c7e7883f9898e750 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.h
@@ -322,6 +322,15 @@ class CORE_EXPORT LayoutBoxModelObject : public LayoutObject {
     return paddingBefore() + paddingAfter();
   }
 
+  LayoutUnit collapsedBorderAndCSSPaddingLogicalWidth() const {
+    return computedCSSPaddingStart() + computedCSSPaddingEnd() + borderStart() +
+           borderEnd();
+  }
+  LayoutUnit collapsedBorderAndCSSPaddingLogicalHeight() const {
+    return computedCSSPaddingBefore() + computedCSSPaddingAfter() +
+           borderBefore() + borderAfter();
+  }
+
   virtual LayoutRectOutsets marginBoxOutsets() const = 0;
   virtual LayoutUnit marginTop() const = 0;
   virtual LayoutUnit marginBottom() const = 0;