diff --git a/layout/svg/nsSVGOuterSVGFrame.cpp b/layout/svg/nsSVGOuterSVGFrame.cpp
index 328ba083d146..45c9edb9e6ae 100644
--- a/layout/svg/nsSVGOuterSVGFrame.cpp
+++ b/layout/svg/nsSVGOuterSVGFrame.cpp
@@ -56,14 +56,14 @@ nsSVGOuterSVGFrame::UnregisterForeignObject(nsSVGForeignObjectFrame* aFrame)
 
 nsContainerFrame*
 NS_NewSVGOuterSVGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
-{  
+{
   return new (aPresShell) nsSVGOuterSVGFrame(aContext);
 }
 
 NS_IMPL_FRAMEARENA_HELPERS(nsSVGOuterSVGFrame)
 
 nsSVGOuterSVGFrame::nsSVGOuterSVGFrame(nsStyleContext* aContext)
-    : nsSVGOuterSVGFrameBase(aContext)
+    : nsSVGDisplayContainerFrame(aContext)
     , mFullZoom(aContext->PresContext()->GetFullZoom())
     , mViewportInitialized(false)
     , mIsRootContent(false)
@@ -112,7 +112,7 @@ nsSVGOuterSVGFrame::Init(nsIContent*       aContent,
     AddStateBits(NS_FRAME_IS_NONDISPLAY);
   }
 
-  nsSVGOuterSVGFrameBase::Init(aContent, aParent, aPrevInFlow);
+  nsSVGDisplayContainerFrame::Init(aContent, aParent, aPrevInFlow);
 
   nsIDocument* doc = mContent->GetUncomposedDoc();
   if (doc) {
@@ -141,11 +141,10 @@ nsSVGOuterSVGFrame::Init(nsIContent*       aContent,
 
 NS_QUERYFRAME_HEAD(nsSVGOuterSVGFrame)
   NS_QUERYFRAME_ENTRY(nsISVGSVGFrame)
-NS_QUERYFRAME_TAIL_INHERITING(nsSVGOuterSVGFrameBase)
+NS_QUERYFRAME_TAIL_INHERITING(nsSVGDisplayContainerFrame)
 
 //----------------------------------------------------------------------
 // nsIFrame methods
-  
 //----------------------------------------------------------------------
 // reflowing
 
@@ -276,7 +275,7 @@ nsSVGOuterSVGFrame::GetIntrinsicRatio()
                   NSToCoordRoundWithClamp(viewBoxHeight));
   }
 
-  return nsSVGOuterSVGFrameBase::GetIntrinsicRatio();
+  return nsSVGDisplayContainerFrame::GetIntrinsicRatio();
 }
 
 /* virtual */
@@ -508,7 +507,7 @@ nsSVGOuterSVGFrame::DidReflow(nsPresContext*   aPresContext,
                               const nsHTMLReflowState*  aReflowState,
                               nsDidReflowStatus aStatus)
 {
-  nsSVGOuterSVGFrameBase::DidReflow(aPresContext,aReflowState,aStatus);
+  nsSVGDisplayContainerFrame::DidReflow(aPresContext,aReflowState,aStatus);
 
   // Make sure elements styled by :hover get updated if script/animation moves
   // them under or out from under the pointer:
diff --git a/layout/svg/nsSVGOuterSVGFrame.h b/layout/svg/nsSVGOuterSVGFrame.h
index eadcf3dc3a71..b8a5fded6d2a 100644
--- a/layout/svg/nsSVGOuterSVGFrame.h
+++ b/layout/svg/nsSVGOuterSVGFrame.h
@@ -17,10 +17,8 @@ class nsSVGForeignObjectFrame;
 ////////////////////////////////////////////////////////////////////////
 // nsSVGOuterSVGFrame class
 
-typedef nsSVGDisplayContainerFrame nsSVGOuterSVGFrameBase;
-
-class nsSVGOuterSVGFrame final : public nsSVGOuterSVGFrameBase,
-                                 public nsISVGSVGFrame
+class nsSVGOuterSVGFrame final : public nsSVGDisplayContainerFrame
+                               , public nsISVGSVGFrame
 {
   friend nsContainerFrame*
   NS_NewSVGOuterSVGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);