[CSS Typed OM] Implement support for CSSValue -> CSSCalcLength

third_party/WebKit/Source/core/css/CSSCalculationValue.cpp

Index: third_party/WebKit/Source/core/css/CSSCalculationValue.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSCalculationValue.cpp b/third_party/WebKit/Source/core/css/CSSCalculationValue.cpp
index 71464e4f49692b8986bcb2efe01cf2fa13c546e5..e162cd6d3e54c3d7ea04780646cb142e74cb0786 100644
--- a/third_party/WebKit/Source/core/css/CSSCalculationValue.cpp
+++ b/third_party/WebKit/Source/core/css/CSSCalculationValue.cpp
@@ -252,6 +252,11 @@ class CSSCalcPrimitiveValue final : public CSSCalcExpressionNode {
   CSSPrimitiveValue::UnitType typeWithCalcResolved() const override {
     return m_value->typeWithCalcResolved();
   }
+  const CSSCalcExpressionNode* leftExpressionNode() const { return nullptr; }
+
+  const CSSCalcExpressionNode* rightExpressionNode() const { return nullptr; }
+
+  CalcOperator operatorType() const { return CalcAdd; }

[alancutter (OOO until 2018), 2016/10/13 22:19:05]

Can these just be NOTREACHED()?

[meade_UTC10, 2016/11/16 19:28:21]

Done.

 
   DEFINE_INLINE_VIRTUAL_TRACE() {
     visitor->trace(m_value);
@@ -551,6 +556,13 @@ class CSSCalcBinaryOperation final : public CSSCalcExpressionNode {
   }
 
   Type getType() const override { return CssCalcBinaryOperation; }
+  const CSSCalcExpressionNode* leftExpressionNode() const { return m_leftSide; }
+
+  const CSSCalcExpressionNode* rightExpressionNode() const {
+    return m_rightSide;
+  }
+
+  CalcOperator operatorType() const { return m_operator; }
 
   CSSPrimitiveValue::UnitType typeWithCalcResolved() const override {
     switch (m_category) {