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

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/css/cssom/CSSRotation.h"
 
+#include "bindings/core/v8/ExceptionState.h"
 #include "core/css/CSSFunctionValue.h"
 #include "core/css/CSSPrimitiveValue.h"
 
 namespace blink {
 
 namespace {
 
 bool IsNumberValue(const CSSValue& value) {
   return value.IsPrimitiveValue() && ToCSSPrimitiveValue(value).IsNumber();
 }
@@ skipping 36 matching lines @@
     case CSSValueRotateZ:
       return CSSRotation::Create(0, 0, 1, angle);
     default:
       NOTREACHED();
       return nullptr;
   }
 }
 
 }  // 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:
       return FromCSSRotate(value);
     case CSSValueRotate3d:
       return FromCSSRotate3d(value);
     case CSSValueRotateX:
     case CSSValueRotateY:
     case CSSValueRotateZ:
       return FromCSSRotateXYZ(value);
@@ skipping 16 matching lines @@
   //      *CSSPrimitiveValue::Create(y_, CSSPrimitiveValue::UnitType::kNumber));
   //   result->Append(
   //      *CSSPrimitiveValue::Create(z_, CSSPrimitiveValue::UnitType::kNumber));
   // }
   // result->Append(*CSSPrimitiveValue::Create(angle_->Value(),
   //                                           angle_->Unit()));
   // return result;
 }
 
 }  // namespace blink