SVG Web Animations: Add SVGIntegerOptionalIntegerInterpolationType

third_party/WebKit/Source/core/svg/SVGIntegerOptionalInteger.h

Index: third_party/WebKit/Source/core/svg/SVGIntegerOptionalInteger.h
diff --git a/third_party/WebKit/Source/core/svg/SVGIntegerOptionalInteger.h b/third_party/WebKit/Source/core/svg/SVGIntegerOptionalInteger.h
index b62fb1f82e40bd0f0633dec40492232d4c32a94b..9fa17991fb5a6d69a97bb88300f7359cca80adf0 100644
--- a/third_party/WebKit/Source/core/svg/SVGIntegerOptionalInteger.h
+++ b/third_party/WebKit/Source/core/svg/SVGIntegerOptionalInteger.h
@@ -59,8 +59,8 @@ public:
 
     static AnimatedPropertyType classType() { return AnimatedIntegerOptionalInteger; }
 
-    PassRefPtrWillBeRawPtr<SVGInteger> firstInteger() { return m_firstInteger; }
-    PassRefPtrWillBeRawPtr<SVGInteger> secondInteger() { return m_secondInteger; }
+    PassRefPtrWillBeRawPtr<SVGInteger> firstInteger() const { return m_firstInteger; }
+    PassRefPtrWillBeRawPtr<SVGInteger> secondInteger() const { return m_secondInteger; }
 
     DECLARE_VIRTUAL_TRACE();
 
@@ -78,6 +78,13 @@ inline PassRefPtrWillBeRawPtr<SVGIntegerOptionalInteger> toSVGIntegerOptionalInt
     return static_pointer_cast<SVGIntegerOptionalInteger>(base.release());
 }
 
+inline const SVGIntegerOptionalInteger& toSVGIntegerOptionalInteger(const SVGPropertyBase& base)
+{
+    ASSERT(base.type() == SVGIntegerOptionalInteger::classType());
+    return static_cast<const SVGIntegerOptionalInteger&>(base);
+}
+
+
 } // namespace blink
 
 #endif // SVGIntegerOptionalInteger_h