Move CreateDOMException out of V8ThrowException

third_party/WebKit/Source/bindings/core/v8/V8ThrowDOMException.h

+// Copyright 2017 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.
+
+#ifndef V8ThrowDOMException_h
+#define V8ThrowDOMException_h
+
+#include "core/CoreExport.h"
+#include "core/dom/ExceptionCode.h"
+#include "platform/wtf/Allocator.h"
+#include "platform/wtf/text/WTFString.h"
+#include "v8/include/v8.h"
+
+namespace blink {
+
+class CORE_EXPORT V8ThrowDOMException {

[haraken, 2017/04/19 22:15:10]

Add a class-level comment?

+  STATIC_ONLY(V8ThrowDOMException);
+
+ public:
+  // Creates and returns an exception object, or returns an empty handle if
+  // failed. |unsanitizedMessage| should not be specified unless it's
+  // SecurityError.
+  static v8::Local<v8::Value> CreateDOMException(
+      v8::Isolate*,
+      ExceptionCode,
+      const String& sanitized_message,
+      const String& unsanitized_message = String());
+
+  // Creates and throws an exception object, or does nothing if creation of the
+  // DOMException fails. |unsanitizedMessage| should not be specified unless
+  // it's SecurityError.
+  static void ThrowDOMException(v8::Isolate*,
+                                ExceptionCode,
+                                const String& sanitized_message,
+                                const String& unsanitized_message = String());
+};
+
+}  // namespace blink
+
+#endif  // V8ThrowDOMException_h