Revert of binding: Removes Document::wrap that must be equivalent to Node::wrap.

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

Index: third_party/WebKit/Source/bindings/core/v8/WindowProxy.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/WindowProxy.h b/third_party/WebKit/Source/bindings/core/v8/WindowProxy.h
index 5399e2afe32417002c888d30810d7333e39f38fc..efcc80b58f8e32f373c696992233feea32de09d0 100644
--- a/third_party/WebKit/Source/bindings/core/v8/WindowProxy.h
+++ b/third_party/WebKit/Source/bindings/core/v8/WindowProxy.h
@@ -44,7 +44,6 @@
 
 namespace blink {
 
-class Document;
 class Frame;
 class HTMLDocument;
 class SecurityOrigin;
@@ -117,8 +116,6 @@
   // DOMWindow object.  Also does some more Window-specific initialization.
   bool setupWindowPrototypeChain();
 
-  void checkDocumentWrapper(v8::Local<v8::Object> wrapper, Document*) const;
-
   Member<Frame> m_frame;
   v8::Isolate* m_isolate;
   RefPtr<ScriptState> m_scriptState;