Duplicate WindowProxy::disposeContext() into subclasses.

third_party/WebKit/Source/bindings/core/v8/WindowProxy.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 43 matching lines @@
 
 WindowProxy::WindowProxy(v8::Isolate* isolate,
                          Frame& frame,
                          RefPtr<DOMWrapperWorld> world)
     : m_isolate(isolate),
       m_frame(frame),
 
       m_world(std::move(world)),
       m_lifecycle(Lifecycle::ContextUninitialized) {}
 
-void WindowProxy::disposeContext(GlobalDetachmentBehavior behavior) {
-  DCHECK(m_lifecycle == Lifecycle::ContextInitialized);
-
-  if (behavior == DetachGlobal) {
-    v8::Local<v8::Context> context = m_scriptState->context();
-    // Clean up state on the global proxy, which will be reused.
-    if (!m_globalProxy.isEmpty()) {
-      // TODO(yukishiino): This DCHECK failed on Canary (M57) and Dev (M56).
-      // We need to figure out why m_globalProxy != context->Global().
-      DCHECK(m_globalProxy == context->Global());
-      DCHECK_EQ(toScriptWrappable(context->Global()),
-                toScriptWrappable(
-                    context->Global()->GetPrototype().As<v8::Object>()));
-      m_globalProxy.get().SetWrapperClassId(0);
-    }
-    V8DOMWrapper::clearNativeInfo(m_isolate, context->Global());
-    m_scriptState->detachGlobalObject();
-  }
-
-  m_scriptState->disposePerContextData();
-
-  // It's likely that disposing the context has created a lot of
-  // garbage. Notify V8 about this so it'll have a chance of cleaning
-  // it up when idle.
-  V8GCForContextDispose::instance().notifyContextDisposed(
-      m_frame->isMainFrame());
-
-  DCHECK(m_lifecycle == Lifecycle::ContextInitialized);
-  m_lifecycle = Lifecycle::ContextDetached;
-}
-
 void WindowProxy::clearForClose() {
   disposeContext(DoNotDetachGlobal);
 }
 
 void WindowProxy::clearForNavigation() {
   disposeContext(DetachGlobal);
 }
 
 v8::Local<v8::Object> WindowProxy::globalIfNotDetached() {
   if (m_lifecycle == Lifecycle::ContextInitialized) {
@@ skipping 65 matching lines @@
 // it won't be able to reach the outer window via its global object.
 void WindowProxy::initializeIfNeeded() {
   // TODO(haraken): It is wrong to re-initialize an already detached window
   // proxy. This must be 'if(m_lifecycle == Lifecycle::ContextUninitialized)'.
   if (m_lifecycle != Lifecycle::ContextInitialized) {
     initialize();
   }
 }
 
 }  // namespace blink