[bindings] Remove custom binding usage from CryptoKey.idl

Source/bindings/modules/v8/custom/V8CryptoKeyCustom.cpp

-// Copyright 2014 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 "config.h"
-#include "bindings/modules/v8/V8CryptoKey.h"
-
-#include "bindings/core/v8/Dictionary.h"
-#include "bindings/core/v8/V8Binding.h"
-#include "bindings/core/v8/V8Uint8Array.h"
-#include "public/platform/WebCryptoKeyAlgorithm.h"
-
-namespace blink {
-
-class DictionaryBuilder : public blink::WebCryptoKeyAlgorithmDictionary {
-public:
-    DictionaryBuilder(v8::Local<v8::Object> holder, v8::Isolate* isolate)
-        : m_holder(holder)
-        , m_isolate(isolate)
-        , m_dictionary(Dictionary::createEmpty(isolate))
-    {
-    }
-
-    virtual void setString(const char* propertyName, const char* value)
-    {
-        m_dictionary.set(propertyName, value);
-    }
-
-    virtual void setUint(const char* propertyName, unsigned value)
-    {
-        m_dictionary.set(propertyName, value);
-    }
-
-    virtual void setAlgorithm(const char* propertyName, const blink::WebCryptoAlgorithm& algorithm)
-    {
-        ASSERT(algorithm.paramsType() == blink::WebCryptoAlgorithmParamsTypeNone);
-
-        Dictionary algorithmValue = Dictionary::createEmpty(m_isolate);
-        algorithmValue.set("name", blink::WebCryptoAlgorithm::lookupAlgorithmInfo(algorithm.id())->name);
-        m_dictionary.set(propertyName, algorithmValue);
-    }
-
-    virtual void setUint8Array(const char* propertyName, const blink::WebVector<unsigned char>& vector)
-    {
-        m_dictionary.set(propertyName, toV8(DOMUint8Array::create(vector.data(), vector.size()), m_holder, m_isolate));
-    }
-
-    const Dictionary& dictionary() const { return m_dictionary; }
-
-private:
-    v8::Local<v8::Object> m_holder;
-    v8::Isolate* m_isolate;
-    Dictionary m_dictionary;
-};
-
-void V8CryptoKey::algorithmAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    CryptoKey* impl = V8CryptoKey::toImpl(info.Holder());
-
-    DictionaryBuilder builder(info.Holder(), info.GetIsolate());
-    impl->key().algorithm().writeToDictionary(&builder);
-
-    v8SetReturnValue(info, builder.dictionary().v8Value());
-}
-
-} // namespace blink