1 files changed, 8 insertions, 2 deletions
diff --git a/gfx/2d/BaseSize.h b/gfx/2d/BaseSize.h
index 54c578d1d..bc057286e 100644
--- a/gfx/2d/BaseSize.h
+++ b/gfx/2d/BaseSize.h
@@ -6,6 +6,8 @@
 #ifndef MOZILLA_GFX_BASESIZE_H_
 #define MOZILLA_GFX_BASESIZE_H_
 
+#include "mozilla/Attributes.h"
+
 namespace mozilla {
 namespace gfx {
 
@@ -19,8 +21,8 @@ struct BaseSize {
   T width, height;
 
   // Constructors
-  BaseSize() : width(0), height(0) {}
-  BaseSize(T aWidth, T aHeight) : width(aWidth), height(aHeight) {}
+  MOZ_CONSTEXPR BaseSize() : width(0), height(0) {}
+  MOZ_CONSTEXPR BaseSize(T aWidth, T aHeight) : width(aWidth), height(aHeight) {}
 
   void SizeTo(T aWidth, T aHeight) { width = aWidth; height = aHeight; }
 
@@ -67,6 +69,10 @@ struct BaseSize {
   Sub operator/(T aScale) const {
     return Sub(width / aScale, height / aScale);
   }
+  void Scale(T aXScale, T aYScale) {
+    width *= aXScale;
+    height *= aYScale;
+  }
 
   Sub operator*(const Sub& aSize) const {
     return Sub(width * aSize.width, height * aSize.height);