[CachedAccessor] for window.document.

third_party/WebKit/Source/bindings/core/v8/V8DOMConfiguration.h

Index: third_party/WebKit/Source/bindings/core/v8/V8DOMConfiguration.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/V8DOMConfiguration.h b/third_party/WebKit/Source/bindings/core/v8/V8DOMConfiguration.h
index 7baf69ad8dde4cec348ac5c5a2fb4c13d1be775e..a36563ef24757661e63abcabf413ff9b5603d0b8 100644
--- a/third_party/WebKit/Source/bindings/core/v8/V8DOMConfiguration.h
+++ b/third_party/WebKit/Source/bindings/core/v8/V8DOMConfiguration.h
@@ -63,6 +63,8 @@ class CORE_EXPORT V8DOMConfiguration final {
     DoNotCheckHolder,
   };
 
+  typedef v8::Local<v8::Private> (*CachedAccessorCallback)(v8::Isolate*);
+
   // AttributeConfiguration translates into calls to SetNativeDataProperty() on
   // either the instance or the prototype ObjectTemplate, based on
   // |instanceOrPrototypeConfiguration|.
@@ -74,6 +76,10 @@ class CORE_EXPORT V8DOMConfiguration final {
     v8::AccessorNameSetterCallback setter;
     v8::AccessorNameGetterCallback getterForMainWorld;
     v8::AccessorNameSetterCallback setterForMainWorld;
+    // TODO(vogelheim): This has to be removed too since it's only used in
+    //                  accessors.
+    // The accessor's 'result' is stored in a private property.
+    CachedAccessorCallback cachedAccessorCallback;
     const WrapperTypeInfo* data;
     unsigned settings : 8;             // v8::AccessControl
     unsigned attribute : 8;            // v8::PropertyAttribute
@@ -126,6 +132,8 @@ class CORE_EXPORT V8DOMConfiguration final {
     v8::FunctionCallback setter;
     v8::FunctionCallback getterForMainWorld;
     v8::FunctionCallback setterForMainWorld;
+    // The accessor's 'result' is stored in a private property.
+    CachedAccessorCallback cachedAccessorCallback;
     const WrapperTypeInfo* data;
     unsigned settings : 8;             // v8::AccessControl
     unsigned attribute : 8;            // v8::PropertyAttribute