rAc: make requestAutocomplete() return a promise.

Source/core/dom/AutocompleteError.h

 /*

[tkent, 2014/04/23 06:36:57]

Please use the 3-line copyright header for new files.

  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef AesKeyAlgorithm_h
-#define AesKeyAlgorithm_h
+#ifndef AutocompleteError_h
+#define AutocompleteError_h
 
-#include "bindings/v8/ScriptWrappable.h"
+#include "core/dom/DOMException.h"
 #include "heap/Handle.h"
-#include "modules/crypto/KeyAlgorithm.h"
-#include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
-class AesKeyAlgorithm : public KeyAlgorithm {
+class AutocompleteError : public DOMException {
 public:
-    static AesKeyAlgorithm* create(const blink::WebCryptoKeyAlgorithm&);
+    static PassRefPtrWillBeRawPtr<AutocompleteError> create(const String& reason)
+    {
+        return adoptRefWillBeNoop(new AutocompleteError(reason));
+    }
 
-    unsigned short length();
-
-    virtual void trace(Visitor*) OVERRIDE;
+    const String& reason() const { return m_reason; }
 
 private:
-    explicit AesKeyAlgorithm(const blink::WebCryptoKeyAlgorithm&);
+    explicit AutocompleteError(const String& reason);
+    const String m_reason;
 };
 
-DEFINE_KEY_ALGORITHM_TYPE_CASTS(AesKeyAlgorithm);
-
 } // namespace WebCore
 
-#endif
+#endif // AutocompleteError_h