Remove unused V8 integration code in Sky

sky/engine/bindings/core/v8/ScriptWrappable.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 "sky/engine/config.h"
-#include "sky/engine/bindings/core/v8/ScriptWrappable.h"
-
-#include "sky/engine/bindings/core/v8/DOMDataStore.h"
-#include "sky/engine/bindings/core/v8/V8DOMWrapper.h"
-
-namespace blink {
-
-struct SameSizeAsScriptWrappableBase { };
-
-COMPILE_ASSERT(sizeof(ScriptWrappableBase) <= sizeof(SameSizeAsScriptWrappableBase), ScriptWrappableBase_should_stay_small);
-
-struct SameSizeAsScriptWrappable : public ScriptWrappableBase {
-    virtual ~SameSizeAsScriptWrappable() { }
-    uintptr_t m_wrapperOrTypeInfo;
-};
-
-COMPILE_ASSERT(sizeof(ScriptWrappable) <= sizeof(SameSizeAsScriptWrappable), ScriptWrappable_should_stay_small);
-
-namespace {
-
-class ScriptWrappableBaseProtector {
-    WTF_MAKE_NONCOPYABLE(ScriptWrappableBaseProtector);
-public:
-    ScriptWrappableBaseProtector(ScriptWrappableBase* scriptWrappableBase, const WrapperTypeInfo* wrapperTypeInfo)
-        : m_scriptWrappableBase(scriptWrappableBase), m_wrapperTypeInfo(wrapperTypeInfo)
-    {
-        m_wrapperTypeInfo->refObject(m_scriptWrappableBase);
-    }
-    ~ScriptWrappableBaseProtector()
-    {
-        m_wrapperTypeInfo->derefObject(m_scriptWrappableBase);
-    }
-
-private:
-    ScriptWrappableBase* m_scriptWrappableBase;
-    const WrapperTypeInfo* m_wrapperTypeInfo;
-};
-
-} // namespace
-
-v8::Handle<v8::Object> ScriptWrappable::wrap(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-{
-    const WrapperTypeInfo* wrapperTypeInfo = this->wrapperTypeInfo();
-
-    // It's possible that no one except for the new wrapper owns this object at
-    // this moment, so we have to prevent GC to collect this object until the
-    // object gets associated with the wrapper.
-    ScriptWrappableBaseProtector protect(this, wrapperTypeInfo);
-
-    ASSERT(!DOMDataStore::containsWrapperNonTemplate(this, isolate));
-
-    v8::Handle<v8::Object> wrapper = V8DOMWrapper::createWrapper(creationContext, wrapperTypeInfo, toScriptWrappableBase(), isolate);
-    if (UNLIKELY(wrapper.IsEmpty()))
-        return wrapper;
-
-    wrapperTypeInfo->installConditionallyEnabledProperties(wrapper, isolate);
-    return associateWithWrapper(wrapperTypeInfo, wrapper, isolate);
-}
-
-v8::Handle<v8::Object> ScriptWrappable::associateWithWrapper(const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate)
-{
-    return V8DOMWrapper::associateObjectWithWrapperNonTemplate(this, wrapperTypeInfo, wrapper, isolate);
-}
-
-} // namespace blink