[CSS Typed OM] Delete obsolete number and length classes from Typed OM

third_party/WebKit/Source/core/css/cssom/CSSTransformComponent.h

Index: third_party/WebKit/Source/core/css/cssom/CSSTransformComponent.h
diff --git a/third_party/WebKit/Source/core/css/cssom/CSSTransformComponent.h b/third_party/WebKit/Source/core/css/cssom/CSSTransformComponent.h
index 6b8cc09938187a417dc4626de3b9f8b3ecc2c397..5b2226e346feac64b1beb1caf80b79569e2390e5 100644
--- a/third_party/WebKit/Source/core/css/cssom/CSSTransformComponent.h
+++ b/third_party/WebKit/Source/core/css/cssom/CSSTransformComponent.h
@@ -50,7 +50,12 @@ class CORE_EXPORT CSSTransformComponent
 
   bool is2D() const { return Is2DComponentType(GetType()); }
 
-  String toString() const { return ToCSSValue()->CssText(); }
+  virtual String toString() const {
+    const CSSValue* result = ToCSSValue();
+    // TODO(meade): Remove this once all the number and length types are
+    // rewritten.
+    return result ? result->CssText() : "";
+  }
 
   virtual CSSFunctionValue* ToCSSValue() const = 0;
   virtual CSSMatrixComponent* asMatrix() const = 0;