Move ScriptWrappable and dependencies to platform/bindings

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

 /*
  * Copyright (C) 2012 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 DOMWrapperMap_h
-#define DOMWrapperMap_h
-
-#include <utility>
-
-#include "bindings/core/v8/WrapperTypeInfo.h"
-#include "platform/ScriptForbiddenScope.h"
-#include "platform/wtf/Compiler.h"
-#include "platform/wtf/HashMap.h"
-#include "v8/include/v8-util.h"
-#include "v8/include/v8.h"
-
-namespace blink {
-
-template <class KeyType>
-class DOMWrapperMap {
-  USING_FAST_MALLOC(DOMWrapperMap);
-
- public:
-  explicit DOMWrapperMap(v8::Isolate* isolate)
-      : isolate_(isolate), map_(isolate) {}
-
-  v8::Local<v8::Object> NewLocal(v8::Isolate* isolate, KeyType* key) {
-    return map_.Get(key);
-  }
-
-  bool SetReturnValueFrom(v8::ReturnValue<v8::Value> return_value,
-                          KeyType* key) {
-    return map_.SetReturnValue(key, return_value);
-  }
-
-  void SetReference(v8::Isolate* isolate,
-                    const v8::Persistent<v8::Object>& parent,
-                    KeyType* key) {
-    map_.SetReference(key, parent);
-  }
-
-  bool ContainsKey(KeyType* key) { return map_.Contains(key); }
-
-  WARN_UNUSED_RESULT bool Set(KeyType* key,
-                              const WrapperTypeInfo* wrapper_type_info,
-                              v8::Local<v8::Object>& wrapper) {
-    if (UNLIKELY(ContainsKey(key))) {
-      wrapper = NewLocal(isolate_, key);
-      return false;
-    }
-    v8::Global<v8::Object> global(isolate_, wrapper);
-    wrapper_type_info->ConfigureWrapper(&global);
-    map_.Set(key, std::move(global));
-    return true;
-  }
-
-  void RemoveIfAny(KeyType* key) {
-    if (ContainsKey(key))
-      map_.Remove(key);
-  }
-
-  void Clear() { map_.Clear(); }
-
-  void RemoveAndDispose(KeyType* key) {
-    DCHECK(ContainsKey(key));
-    map_.Remove(key);
-  }
-
-  void MarkWrapper(KeyType* object) {
-    map_.RegisterExternallyReferencedObject(object);
-  }
-
- private:
-  class PersistentValueMapTraits {
-    STATIC_ONLY(PersistentValueMapTraits);
-
-   public:
-    // Map traits:
-    typedef HashMap<KeyType*, v8::PersistentContainerValue> Impl;
-    typedef typename Impl::iterator Iterator;
-    static size_t Size(const Impl* impl) { return impl->size(); }
-    static bool Empty(Impl* impl) { return impl->IsEmpty(); }
-    static void Swap(Impl& impl, Impl& other) { impl.swap(other); }
-    static Iterator Begin(Impl* impl) { return impl->begin(); }
-    static Iterator End(Impl* impl) { return impl->end(); }
-    static v8::PersistentContainerValue Value(Iterator& iter) {
-      return iter->value;
-    }
-    static KeyType* Key(Iterator& iter) { return iter->key; }
-    static v8::PersistentContainerValue
-    Set(Impl* impl, KeyType* key, v8::PersistentContainerValue value) {
-      v8::PersistentContainerValue old_value = Get(impl, key);
-      impl->Set(key, value);
-      return old_value;
-    }
-    static v8::PersistentContainerValue Get(const Impl* impl, KeyType* key) {
-      return impl->at(key);
-    }
-
-    static v8::PersistentContainerValue Remove(Impl* impl, KeyType* key) {
-      return impl->Take(key);
-    }
-
-    // Weak traits:
-    static const v8::PersistentContainerCallbackType kCallbackType =
-        v8::kWeakWithInternalFields;
-    typedef v8::GlobalValueMap<KeyType*, v8::Object, PersistentValueMapTraits>
-        MapType;
-    typedef MapType WeakCallbackDataType;
-
-    static WeakCallbackDataType* WeakCallbackParameter(
-        MapType* map,
-        KeyType* key,
-        v8::Local<v8::Object>& value) {
-      return map;
-    }
-
-    static void DisposeCallbackData(WeakCallbackDataType* callback_data) {}
-
-    static MapType* MapFromWeakCallbackInfo(
-        const v8::WeakCallbackInfo<WeakCallbackDataType>& data) {
-      return data.GetParameter();
-    }
-
-    static KeyType* KeyFromWeakCallbackInfo(
-        const v8::WeakCallbackInfo<WeakCallbackDataType>& data) {
-      return reinterpret_cast<KeyType*>(
-          data.GetInternalField(kV8DOMWrapperObjectIndex));
-    }
-
-    static void OnWeakCallback(
-        const v8::WeakCallbackInfo<WeakCallbackDataType>&) {}
-
-    static void Dispose(v8::Isolate*, v8::Global<v8::Object>, KeyType*);
-
-    static void DisposeWeak(const v8::WeakCallbackInfo<WeakCallbackDataType>&);
-  };
-
-  v8::Isolate* isolate_;
-  typename PersistentValueMapTraits::MapType map_;
-};
-
-}  // namespace blink
-
-#endif  // DOMWrapperMap_h
+// This file has been moved to platform/bindings/DOMWrapperMap.h.
+// TODO(adithyas): Remove this file.
+#include "platform/bindings/DOMWrapperMap.h"