Remove unused ExceptionState argument from CSSAngleValue constructor

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

Index: third_party/WebKit/Source/core/css/cssom/CSSAngleValue.h
diff --git a/third_party/WebKit/Source/core/css/cssom/CSSAngleValue.h b/third_party/WebKit/Source/core/css/cssom/CSSAngleValue.h
index e4bd7ef2bbdd7a5d3973681b22a48d8b1139d301..addc12b2a6cef1f0e0617d55b15372f3b2fa408d 100644
--- a/third_party/WebKit/Source/core/css/cssom/CSSAngleValue.h
+++ b/third_party/WebKit/Source/core/css/cssom/CSSAngleValue.h
@@ -15,9 +15,7 @@ class CORE_EXPORT CSSAngleValue final : public CSSStyleValue {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
-  static CSSAngleValue* create(double value,
-                               const String& unit,
-                               ExceptionState&);
+  static CSSAngleValue* create(double value, const String& unit);
 
   StyleValueType type() const override { return AngleType; }