--- a/layout/svg/nsSVGGFrame.cpp
+++ b/layout/svg/nsSVGGFrame.cpp
@@ -16,33 +16,33 @@
 
 using namespace mozilla::dom;
 
 //----------------------------------------------------------------------
 // Implementation
 
 nsIFrame*
 NS_NewSVGGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
-{  
+{
   return new (aPresShell) nsSVGGFrame(aContext);
 }
 
 NS_IMPL_FRAMEARENA_HELPERS(nsSVGGFrame)
 
 #ifdef DEBUG
 void
 nsSVGGFrame::Init(nsIContent*       aContent,
                   nsContainerFrame* aParent,
                   nsIFrame*         aPrevInFlow)
 {
   NS_ASSERTION(aContent->IsSVGElement() &&
                static_cast<nsSVGElement*>(aContent)->IsTransformable(),
                "The element doesn't support nsIDOMSVGTransformable");
 
-  nsSVGGFrameBase::Init(aContent, aParent, aPrevInFlow);
+  nsSVGDisplayContainerFrame::Init(aContent, aParent, aPrevInFlow);
 }
 #endif /* DEBUG */
 
 nsIAtom *
 nsSVGGFrame::GetType() const
 {
   return nsGkAtoms::svgGFrame;
 }
@@ -56,17 +56,17 @@ nsSVGGFrame::NotifySVGChanged(uint32_t a
   MOZ_ASSERT(aFlags & (TRANSFORM_CHANGED | COORD_CONTEXT_CHANGED),
              "Invalidation logic may need adjusting");
 
   if (aFlags & TRANSFORM_CHANGED) {
     // make sure our cached transform matrix gets (lazily) updated
     mCanvasTM = nullptr;
   }
 
-  nsSVGGFrameBase::NotifySVGChanged(aFlags);
+  nsSVGDisplayContainerFrame::NotifySVGChanged(aFlags);
 }
 
 gfxMatrix
 nsSVGGFrame::GetCanvasTM()
 {
   if (!mCanvasTM) {
     NS_ASSERTION(GetParent(), "null parent");
 
@@ -88,11 +88,11 @@ nsSVGGFrame::AttributeChanged(int32_t   
   if (aNameSpaceID == kNameSpaceID_None &&
       aAttribute == nsGkAtoms::transform) {
     // We don't invalidate for transform changes (the layers code does that).
     // Also note that SVGTransformableElement::GetAttributeChangeHint will
     // return nsChangeHint_UpdateOverflow for "transform" attribute changes
     // and cause DoApplyRenderingChangeToTree to make the SchedulePaint call.
     NotifySVGChanged(TRANSFORM_CHANGED);
   }
-  
+
   return NS_OK;
 }

--- a/layout/svg/nsSVGGFrame.h
+++ b/layout/svg/nsSVGGFrame.h
@@ -5,25 +5,23 @@
 
 #ifndef NSSVGGFRAME_H
 #define NSSVGGFRAME_H
 
 #include "mozilla/Attributes.h"
 #include "gfxMatrix.h"
 #include "nsSVGContainerFrame.h"
 
-typedef nsSVGDisplayContainerFrame nsSVGGFrameBase;
-
-class nsSVGGFrame : public nsSVGGFrameBase
+class nsSVGGFrame : public nsSVGDisplayContainerFrame
 {
   friend nsIFrame*
   NS_NewSVGGFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
 protected:
-  explicit nsSVGGFrame(nsStyleContext* aContext) :
-    nsSVGGFrameBase(aContext) {}
+  explicit nsSVGGFrame(nsStyleContext* aContext)
+    : nsSVGDisplayContainerFrame(aContext) {}
 
 public:
   NS_DECL_FRAMEARENA_HELPERS
 
 #ifdef DEBUG
   virtual void Init(nsIContent*       aContent,
                     nsContainerFrame* aParent,
                     nsIFrame*         aPrevInFlow) override;