v8binding: Removes WindowProxy::GlobalDetachmentBehavior.

third_party/WebKit/Source/bindings/core/v8/RemoteWindowProxy.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 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 31 matching lines @@
 #include "platform/wtf/Assertions.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
 RemoteWindowProxy::RemoteWindowProxy(v8::Isolate* isolate,
                                      RemoteFrame& frame,
                                      RefPtr<DOMWrapperWorld> world)
     : WindowProxy(isolate, frame, std::move(world)) {}
 
-void RemoteWindowProxy::DisposeContext(GlobalDetachmentBehavior behavior) {
+void RemoteWindowProxy::DisposeContext(Lifecycle next_status) {
+  DCHECK(next_status == Lifecycle::kGlobalObjectIsDetached ||
+         next_status == Lifecycle::kFrameIsDetached);
+
   if (lifecycle_ != Lifecycle::kContextIsInitialized)
     return;
 
-  if (behavior == kDetachGlobal && !global_proxy_.IsEmpty()) {
+  if (next_status == Lifecycle::kGlobalObjectIsDetached &&
+      !global_proxy_.IsEmpty()) {
     global_proxy_.Get().SetWrapperClassId(0);
     V8DOMWrapper::ClearNativeInfo(GetIsolate(),
                                   global_proxy_.NewLocal(GetIsolate()));
 #if DCHECK_IS_ON()
     DidDetachGlobalObject();
 #endif
   }
 
   DCHECK_EQ(lifecycle_, Lifecycle::kContextIsInitialized);
-  lifecycle_ = behavior == kDetachGlobal ? Lifecycle::kGlobalObjectIsDetached
-                                         : Lifecycle::kFrameIsDetached;
+  lifecycle_ = next_status;
 }
 
 void RemoteWindowProxy::Initialize() {
   TRACE_EVENT1("v8", "RemoteWindowProxy::initialize", "isMainWindow",
                GetFrame()->IsMainFrame());
   SCOPED_BLINK_UMA_HISTOGRAM_TIMER(
       GetFrame()->IsMainFrame()
           ? "Blink.Binding.InitializeMainRemoteWindowProxy"
           : "Blink.Binding.InitializeNonMainRemoteWindowProxy");
 
@@ skipping 47 matching lines @@
 
   // The global object, aka window wrapper object.
   v8::Local<v8::Object> window_wrapper =
       global_proxy->GetPrototype().As<v8::Object>();
   v8::Local<v8::Object> associated_wrapper =
       AssociateWithWrapper(window, wrapper_type_info, window_wrapper);
   DCHECK(associated_wrapper == window_wrapper);
 }
 
 }  // namespace blink