Add a use-counter for transforms using the reference box on SVG element

third_party/WebKit/Source/platform/transforms/TranslateTransformOperation.h

Index: third_party/WebKit/Source/platform/transforms/TranslateTransformOperation.h
diff --git a/third_party/WebKit/Source/platform/transforms/TranslateTransformOperation.h b/third_party/WebKit/Source/platform/transforms/TranslateTransformOperation.h
index 124ff01d6f390b89d5c70017c45d1592f57c23da..ecd68d232bf90521a4040d4e34bebf44194203de 100644
--- a/third_party/WebKit/Source/platform/transforms/TranslateTransformOperation.h
+++ b/third_party/WebKit/Source/platform/transforms/TranslateTransformOperation.h
@@ -47,7 +47,10 @@ class PLATFORM_EXPORT TranslateTransformOperation final
     return adoptRef(new TranslateTransformOperation(tx, ty, tz, type));
   }
 
-  virtual bool canBlendWith(const TransformOperation& other) const;
+  bool canBlendWith(const TransformOperation& other) const override;
+  bool dependsOnBoxSize() const override {
+    return m_x.isPercentOrCalc() || m_y.isPercentOrCalc();
+  }
 
   double x(const FloatSize& borderBoxSize) const {
     return floatValueForLength(m_x, borderBoxSize.width());
@@ -91,10 +94,6 @@ class PLATFORM_EXPORT TranslateTransformOperation final
     return zoomTranslate(factor);
   }
 
-  bool dependsOnBoxSize() const override {
-    return m_x.isPercentOrCalc() || m_y.isPercentOrCalc();
-  }
-
   TranslateTransformOperation(const Length& tx,
                               const Length& ty,
                               double tz,