1 files changed, 6 insertions, 9 deletions
diff --git a/layout/mathml/nsMathMLContainerFrame.h b/layout/mathml/nsMathMLContainerFrame.h
index 805d7e03ca..24bc86c338 100644
--- a/layout/mathml/nsMathMLContainerFrame.h
+++ b/layout/mathml/nsMathMLContainerFrame.h
@@ -37,9 +37,7 @@ class nsMathMLContainerFrame : public nsContainerFrame, public nsMathMLFrame {
  public:
   nsMathMLContainerFrame(ComputedStyle* aStyle, nsPresContext* aPresContext,
                          ClassID aID)
-      : nsContainerFrame(aStyle, aPresContext, aID),
-        mIntrinsicWidth(NS_INTRINSIC_ISIZE_UNKNOWN),
-        mBlockStartAscent(0) {}
+      : nsContainerFrame(aStyle, aPresContext, aID) {}
 
   NS_DECL_QUERYFRAME_TARGET(nsMathMLContainerFrame)
   NS_DECL_QUERYFRAME
@@ -341,13 +339,13 @@ class nsMathMLContainerFrame : public nsContainerFrame, public nsMathMLFrame {
   static void DidReflowChildren(nsIFrame* aFirst, nsIFrame* aStop = nullptr);
 
   /**
-   * Recompute mIntrinsicWidth if it's not already up to date.
+   * Recompute mIntrinsicISize if it's not already up to date.
    */
-  void UpdateIntrinsicWidth(gfxContext* aRenderingContext);
+  void UpdateIntrinsicISize(gfxContext* aRenderingContext);
 
-  nscoord mIntrinsicWidth;
+  nscoord mIntrinsicISize = NS_INTRINSIC_ISIZE_UNKNOWN;
 
-  nscoord mBlockStartAscent;
+  nscoord mBlockStartAscent = 0;
 
  private:
   class RowChildFrameIterator;
@@ -429,8 +427,7 @@ class nsMathMLmathBlockFrame final : public nsBlockFrame {
  protected:
   explicit nsMathMLmathBlockFrame(ComputedStyle* aStyle,
                                   nsPresContext* aPresContext)
-      : nsBlockFrame(aStyle, aPresContext, kClassID) {
-  }
+      : nsBlockFrame(aStyle, aPresContext, kClassID) {}
   virtual ~nsMathMLmathBlockFrame() = default;
 };