Remove an isContextInitialized() check from ScriptController::windowProxy()

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 196 matching lines @@
 //
 // When a frame navigates to a new page, the inner window is cut off
 // the outer window, and the outer window identify is preserved for
 // the frame. However, a new inner window is created for the new page.
 // If there are JS code holds a closure to the old inner window,
 // it won't be able to reach the outer window via its global object.
 void WindowProxy::initializeIfNeeded() {
   if (isContextInitialized())
     return;
   initialize();
+
+  if (m_world->isMainWorld() && m_frame->isLocalFrame())
+    toLocalFrame(m_frame)->loader().dispatchDidClearWindowObjectInMainWorld();
 }
 
 void WindowProxy::initialize() {
   TRACE_EVENT1("v8", "WindowProxy::initialize", "isMainWindow",
                m_frame->isMainFrame());
   SCOPED_BLINK_UMA_HISTOGRAM_TIMER(
       m_frame->isMainFrame() ? "Blink.Binding.InitializeMainWindowProxy"
                              : "Blink.Binding.InitializeNonMainWindowProxy");
 
   ScriptForbiddenScope::AllowUserAgentScript allowScript;
@@ skipping 323 matching lines @@
       .ToChecked();
 }
 
 void WindowProxy::updateSecurityOrigin(SecurityOrigin* origin) {
   if (!isContextInitialized())
     return;
   setSecurityToken(origin);
 }
 
 }  // namespace blink