Remove unused V8 integration code in Sky

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

Index: sky/engine/bindings/core/v8/ScopedPersistent.h
diff --git a/sky/engine/bindings/core/v8/ScopedPersistent.h b/sky/engine/bindings/core/v8/ScopedPersistent.h
deleted file mode 100644
index 3c466c4a2d6e379a1195579a09d3076297865d65..0000000000000000000000000000000000000000
--- a/sky/engine/bindings/core/v8/ScopedPersistent.h
+++ /dev/null
@@ -1,105 +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_SCOPEDPERSISTENT_H_
-#define SKY_ENGINE_BINDINGS_CORE_V8_SCOPEDPERSISTENT_H_
-
-#include "sky/engine/wtf/Noncopyable.h"
-#include "v8/include/v8.h"
-
-namespace blink {
-
-template<typename T>
-class ScopedPersistent {
-    WTF_MAKE_NONCOPYABLE(ScopedPersistent);
-public:
-    ScopedPersistent() { }
-
-    ScopedPersistent(v8::Isolate* isolate, v8::Handle<T> handle)
-        : m_handle(isolate, handle)
-    {
-    }
-
-    ~ScopedPersistent()
-    {
-        clear();
-    }
-
-    ALWAYS_INLINE v8::Local<T> newLocal(v8::Isolate* isolate) const
-    {
-        return v8::Local<T>::New(isolate, m_handle);
-    }
-
-    template<typename P>
-    void setWeak(P* parameters, void (*callback)(const v8::WeakCallbackData<T, P>&))
-    {
-        m_handle.SetWeak(parameters, callback);
-    }
-
-    bool isEmpty() const { return m_handle.IsEmpty(); }
-    bool isWeak() const { return m_handle.IsWeak(); }
-
-    void set(v8::Isolate* isolate, v8::Handle<T> handle)
-    {
-        m_handle.Reset(isolate, handle);
-    }
-
-    // Note: This is clear in the OwnPtr sense, not the v8::Handle sense.
-    void clear()
-    {
-        m_handle.Reset();
-    }
-
-    bool operator==(const ScopedPersistent<T>& other)
-    {
-        return m_handle == other.m_handle;
-    }
-
-    template <class S>
-    bool operator==(const v8::Handle<S> other) const
-    {
-        return m_handle == other;
-    }
-
-private:
-    // FIXME: This function does an unsafe handle access. Remove it.
-    friend class V8AbstractEventListener;
-    friend class V8PerIsolateData;
-    ALWAYS_INLINE v8::Persistent<T>& getUnsafe()
-    {
-        return m_handle;
-    }
-
-    v8::Persistent<T> m_handle;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_BINDINGS_CORE_V8_SCOPEDPERSISTENT_H_