Remove unused V8 integration code in Sky

sky/engine/bindings/core/v8/V8DOMWrapper.h

Index: sky/engine/bindings/core/v8/V8DOMWrapper.h
diff --git a/sky/engine/bindings/core/v8/V8DOMWrapper.h b/sky/engine/bindings/core/v8/V8DOMWrapper.h
deleted file mode 100644
index e89102b020e24b2e112c7a03015f7e34cc8ef842..0000000000000000000000000000000000000000
--- a/sky/engine/bindings/core/v8/V8DOMWrapper.h
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright (C) 2009 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 SKY_ENGINE_BINDINGS_CORE_V8_V8DOMWRAPPER_H_
-#define SKY_ENGINE_BINDINGS_CORE_V8_V8DOMWRAPPER_H_
-
-#include "sky/engine/bindings/core/v8/DOMDataStore.h"
-#include "sky/engine/bindings/core/v8/ScriptWrappable.h"
-#include "sky/engine/wtf/PassRefPtr.h"
-#include "sky/engine/wtf/RawPtr.h"
-#include "sky/engine/wtf/text/AtomicString.h"
-#include "v8/include/v8.h"
-
-namespace blink {
-
-class Node;
-struct WrapperTypeInfo;
-
-class V8DOMWrapper {
-public:
-    static v8::Local<v8::Object> createWrapper(v8::Handle<v8::Object> creationContext, const WrapperTypeInfo*, ScriptWrappableBase* internalPointer, v8::Isolate*);
-
-    template<typename V8T, typename T>
-    static v8::Handle<v8::Object> associateObjectWithWrapper(PassRefPtr<T>, const WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*);
-    template<typename V8T, typename T>
-    static v8::Handle<v8::Object> associateObjectWithWrapper(RawPtr<T> object, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate)
-    {
-        return associateObjectWithWrapper<V8T, T>(object.get(), wrapperTypeInfo, wrapper, isolate);
-    }
-    template<typename V8T, typename T>
-    static v8::Handle<v8::Object> associateObjectWithWrapper(T*, const WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*);
-    static v8::Handle<v8::Object> associateObjectWithWrapperNonTemplate(ScriptWrappable*, const WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*);
-    static v8::Handle<v8::Object> associateObjectWithWrapperNonTemplate(Node*, const WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*);
-    static void setNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*, ScriptWrappableBase* internalPointer);
-    static void setNativeInfoForHiddenWrapper(v8::Handle<v8::Object>, const WrapperTypeInfo*, ScriptWrappableBase* internalPointer);
-    static void clearNativeInfo(v8::Handle<v8::Object>, const WrapperTypeInfo*);
-
-    static bool isDOMWrapper(v8::Handle<v8::Value>);
-};
-
-inline void V8DOMWrapper::setNativeInfo(v8::Handle<v8::Object> wrapper, const WrapperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* internalPointer)
-{
-    ASSERT(wrapper->InternalFieldCount() >= 2);
-    ASSERT(internalPointer);
-    ASSERT(wrapperTypeInfo);
-    wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, internalPointer);
-    wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<WrapperTypeInfo*>(wrapperTypeInfo));
-}
-
-inline void V8DOMWrapper::setNativeInfoForHiddenWrapper(v8::Handle<v8::Object> wrapper, const WrapperTypeInfo* wrapperTypeInfo, ScriptWrappableBase* internalPointer)
-{
-    // see WindowProxy::installDOMWindow() comment for why this version is needed and safe.
-    ASSERT(wrapper->InternalFieldCount() >= 2);
-    ASSERT(internalPointer);
-    ASSERT(wrapperTypeInfo);
-    wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, internalPointer);
-    wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<WrapperTypeInfo*>(wrapperTypeInfo));
-}
-
-inline void V8DOMWrapper::clearNativeInfo(v8::Handle<v8::Object> wrapper, const WrapperTypeInfo* wrapperTypeInfo)
-{
-    ASSERT(wrapper->InternalFieldCount() >= 2);
-    ASSERT(wrapperTypeInfo);
-    // clearNativeInfo() is used only by NP objects, which are not garbage collected.
-    wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<WrapperTypeInfo*>(wrapperTypeInfo));
-    wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, 0);
-}
-
-template<typename V8T, typename T>
-inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(PassRefPtr<T> object, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate)
-{
-    setNativeInfo(wrapper, wrapperTypeInfo, V8T::toScriptWrappableBase(object.get()));
-    ASSERT(isDOMWrapper(wrapper));
-    DOMDataStore::setWrapper<V8T>(object.leakRef(), wrapper, isolate, wrapperTypeInfo);
-    return wrapper;
-}
-
-inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapperNonTemplate(ScriptWrappable* impl, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate)
-{
-    wrapperTypeInfo->refObject(impl->toScriptWrappableBase());
-    setNativeInfo(wrapper, wrapperTypeInfo, impl->toScriptWrappableBase());
-    ASSERT(isDOMWrapper(wrapper));
-    DOMDataStore::setWrapperNonTemplate(impl, wrapper, isolate, wrapperTypeInfo);
-    return wrapper;
-}
-
-inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapperNonTemplate(Node* node, const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate)
-{
-    wrapperTypeInfo->refObject(ScriptWrappable::fromObject(node)->toScriptWrappableBase());
-    setNativeInfo(wrapper, wrapperTypeInfo, ScriptWrappable::fromObject(node)->toScriptWrappableBase());
-    ASSERT(isDOMWrapper(wrapper));
-    DOMDataStore::setWrapperNonTemplate(node, wrapper, isolate, wrapperTypeInfo);
-    return wrapper;
-}
-
-class V8WrapperInstantiationScope {
-public:
-    V8WrapperInstantiationScope(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-        : m_didEnterContext(false)
-        , m_context(isolate->GetCurrentContext())
-    {
-        // creationContext should not be empty. Because if we have an
-        // empty creationContext, we will end up creating
-        // a new object in the context currently entered. This is wrong.
-        RELEASE_ASSERT(!creationContext.IsEmpty());
-        v8::Handle<v8::Context> contextForWrapper = creationContext->CreationContext();
-        // For performance, we enter the context only if the currently running context
-        // is different from the context that we are about to enter.
-        if (contextForWrapper == m_context)
-            return;
-        m_context = v8::Local<v8::Context>::New(isolate, contextForWrapper);
-        m_didEnterContext = true;
-        m_context->Enter();
-    }
-
-    ~V8WrapperInstantiationScope()
-    {
-        if (!m_didEnterContext)
-            return;
-        m_context->Exit();
-    }
-
-    v8::Handle<v8::Context> context() const { return m_context; }
-
-private:
-    bool m_didEnterContext;
-    v8::Handle<v8::Context> m_context;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_BINDINGS_CORE_V8_V8DOMWRAPPER_H_