Move ScriptWrappable and dependencies to platform/bindings

third_party/WebKit/Source/bindings/core/v8/ScopedPersistent.h

 /*
  * 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
@@ skipping 10 matching lines @@
  * 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 ScopedPersistent_h
-#define ScopedPersistent_h
-
-#include <memory>
-
-#include "bindings/core/v8/ScriptWrappableVisitor.h"
-#include "platform/wtf/Allocator.h"
-#include "platform/wtf/Noncopyable.h"
-#include "v8/include/v8.h"
-
-namespace blink {
-
-template <typename T>
-class ScopedPersistent {
-  USING_FAST_MALLOC(ScopedPersistent);
-  WTF_MAKE_NONCOPYABLE(ScopedPersistent);
-
- public:
-  ScopedPersistent() {}
-
-  ScopedPersistent(v8::Isolate* isolate, v8::Local<T> handle)
-      : handle_(isolate, handle) {}
-
-  ScopedPersistent(v8::Isolate* isolate, v8::MaybeLocal<T> maybe) {
-    v8::Local<T> local;
-    if (maybe.ToLocal(&local))
-      handle_.Reset(isolate, local);
-  }
-
-  virtual ~ScopedPersistent() { Clear(); }
-
-  ALWAYS_INLINE v8::Local<T> NewLocal(v8::Isolate* isolate) const {
-    return v8::Local<T>::New(isolate, handle_);
-  }
-
-  // If you don't need to get weak callback, use setPhantom instead.
-  // setPhantom is faster than setWeak.
-  template <typename P>
-  void SetWeak(P* parameters,
-               void (*callback)(const v8::WeakCallbackInfo<P>&),
-               v8::WeakCallbackType type = v8::WeakCallbackType::kParameter) {
-    handle_.SetWeak(parameters, callback, type);
-  }
-
-  // Turns this handle into a weak phantom handle without
-  // finalization callback.
-  void SetPhantom() { handle_.SetWeak(); }
-
-  void ClearWeak() { handle_.template ClearWeak<void>(); }
-
-  bool IsEmpty() const { return handle_.IsEmpty(); }
-  bool IsWeak() const { return handle_.IsWeak(); }
-
-  virtual void Set(v8::Isolate* isolate, v8::Local<T> handle) {
-    handle_.Reset(isolate, handle);
-  }
-
-  // Note: This is clear in the std::unique_ptr sense, not the v8::Local sense.
-  void Clear() { handle_.Reset(); }
-
-  bool operator==(const ScopedPersistent<T>& other) {
-    return handle_ == other.handle_;
-  }
-
-  template <class S>
-  bool operator==(const v8::Local<S> other) const {
-    return handle_ == other;
-  }
-
-  ALWAYS_INLINE v8::Persistent<T>& Get() { return handle_; }
-
- private:
-  v8::Persistent<T> handle_;
-};
-
-}  // namespace blink
-
-#endif  // ScopedPersistent_h
+// This file has been moved to platform/bindings/ScopedPersistent.h.
+// TODO(adithyas): Remove this file.
+#include "platform/bindings/ScopedPersistent.h"