1 files changed, 0 insertions, 129 deletions
diff --git a/chromium/third_party/WebKit/Source/bindings/v8/UnsafePersistent.h b/chromium/third_party/WebKit/Source/bindings/v8/UnsafePersistent.h
deleted file mode 100644
index 4a889c27430..00000000000
--- a/chromium/third_party/WebKit/Source/bindings/v8/UnsafePersistent.h
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * Copyright (C) 2013 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 UnsafePersistent_h
-#define UnsafePersistent_h
-
-#include "bindings/v8/WrapperTypeInfo.h"
-
-#include <v8.h>
-
-namespace WebCore {
-
-template<class KeyType> class DOMWrapperMap;
-
-// An unsafe way to pass Persistent handles around. Do not use unless you know
-// what you're doing. UnsafePersistent is only safe to use when we know that the
-// memory pointed by the it is not going away: 1) When GC cannot happen while
-// the UnsafePersistent is alive or 2) when there is a strong Persistent keeping
-// the memory alive while the UnsafePersistent is alive.
-template<typename T> class UnsafePersistent {
-public:
-    UnsafePersistent() : m_value(0) { }
-    explicit UnsafePersistent(T* value) : m_value(value) { }
-    explicit UnsafePersistent(v8::Persistent<T>& handle)
-    {
-        m_value = handle.ClearAndLeak();
-    }
-
-    UnsafePersistent(v8::Isolate* isolate, v8::Handle<T>& handle)
-    {
-        v8::Persistent<T> persistent(isolate, handle);
-        m_value = persistent.ClearAndLeak();
-    }
-
-    T* value() const
-    {
-        return m_value;
-    }
-
-    template<typename V8T, typename U>
-    inline bool setReturnValueWithSecurityCheck(v8::ReturnValue<v8::Value> returnValue, U* object)
-    {
-        v8::Handle<v8::Object> result = deprecatedHandle();
-        // Security: always guard against malicious tampering.
-        RELEASE_ASSERT_WITH_SECURITY_IMPLICATION(result.IsEmpty() || result->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex) == V8T::toInternalPointer(object));
-        returnValue.Set(result);
-        return !result.IsEmpty();
-    }
-
-    inline bool setReturnValue(v8::ReturnValue<v8::Value> returnValue)
-    {
-        returnValue.Set(deprecatedHandle());
-        return !isEmpty();
-    }
-
-    // This is incredibly unsafe: the handle is valid only when this
-    // UnsafePersistent is alive and valid (see class level comment).
-    v8::Persistent<T>* persistent()
-    {
-        v8::Persistent<T>* handle = reinterpret_cast<v8::Persistent<T>*>(&m_value);
-        return handle;
-    }
-
-    void setReferenceFrom(const v8::Persistent<v8::Object>& parent, v8::Isolate* isolate)
-    {
-        isolate->SetReference(parent, *persistent());
-    }
-
-    void dispose()
-    {
-        persistent()->Reset();
-        m_value = 0;
-    }
-
-    void clear()
-    {
-        m_value = 0;
-    }
-
-    v8::Local<T> newLocal(v8::Isolate* isolate)
-    {
-        return v8::Local<T>::New(isolate, *persistent());
-    }
-
-    bool isEmpty() const
-    {
-        return !m_value;
-    }
-
-private:
-    v8::Handle<T> deprecatedHandle()
-    {
-        v8::Handle<T>* handle = reinterpret_cast<v8::Handle<T>*>(&m_value);
-        return *handle;
-    }
-
-    T* m_value;
-};
-
-} // namespace WebCore
-
-#endif // UnsafePersistent_h