[CSS Typed OM] Add missing error handling for CSSRotation constructor

third_party/WebKit/Source/core/css/cssom/CSSRotation.cpp

Index: third_party/WebKit/Source/core/css/cssom/CSSRotation.cpp
diff --git a/third_party/WebKit/Source/core/css/cssom/CSSRotation.cpp b/third_party/WebKit/Source/core/css/cssom/CSSRotation.cpp
index d1567d219276257fb422e722dba0e3eaf9ef4799..c0ffda82a5d2fb8937f2169c01bab6501d78828b 100644
--- a/third_party/WebKit/Source/core/css/cssom/CSSRotation.cpp
+++ b/third_party/WebKit/Source/core/css/cssom/CSSRotation.cpp
@@ -4,6 +4,7 @@
 
 #include "core/css/cssom/CSSRotation.h"
 
+#include "bindings/core/v8/ExceptionState.h"
 #include "core/css/CSSFunctionValue.h"
 #include "core/css/CSSPrimitiveValue.h"
 
@@ -60,6 +61,26 @@ CSSRotation* FromCSSRotateXYZ(const CSSFunctionValue& value) {
 
 }  // namespace
 
+CSSRotation* CSSRotation::Create(double x,
+                                 double y,
+                                 double z,
+                                 CSSNumericValue* angle,
+                                 ExceptionState& exception_state) {
+  if (angle->GetType() != CSSStyleValue::StyleValueType::kAngleType) {
+    exception_state.ThrowTypeError("Must pass an angle to CSSRotation");
+    return nullptr;
+  }
+  return new CSSRotation(x, y, z, angle);
+}
+
+CSSRotation* CSSRotation::Create(double x,
+                                 double y,
+                                 double z,
+                                 CSSNumericValue* angle) {
+  DCHECK_EQ(angle->GetType(), CSSStyleValue::StyleValueType::kAngleType);
+  return new CSSRotation(x, y, z, angle);
+}
+
 CSSRotation* CSSRotation::FromCSSValue(const CSSFunctionValue& value) {
   switch (value.FunctionType()) {
     case CSSValueRotate: