Revert of Allow headless TabSocket in isolated worlds & remove obsolete logic

headless/test/headless_browser_test.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "headless/test/headless_browser_test.h"
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 202 matching lines @@
 
   FinishAsynchronousTest();
   render_process_exited_ = true;
   FAIL() << "Abnormal renderer termination";
 }
 
 void HeadlessAsyncDevTooledBrowserTest::RunTest() {
   HeadlessBrowserContext::Builder builder =
       browser()->CreateBrowserContextBuilder();
   builder.SetProtocolHandlers(GetProtocolHandlers());
-  if (GetTabSocketType() != HeadlessWebContents::Builder::TabSocketType::NONE) {
+  if (GetCreateTabSocket()) {
     builder.EnableUnsafeNetworkAccessWithMojoBindings(true);
     builder.AddTabSocketMojoBindings();
   }
   browser_context_ = builder.Build();
 
   browser()->SetDefaultBrowserContext(browser_context_);
 
   web_contents_ = browser_context_->CreateWebContentsBuilder()
-                      .SetTabSocketType(GetTabSocketType())
+                      .CreateTabSocket(GetCreateTabSocket())
                       .Build();
   web_contents_->AddObserver(this);
 
   RunAsynchronousTest();
 
   if (!render_process_exited_)
     web_contents_->GetDevToolsTarget()->DetachClient(devtools_client_.get());
   web_contents_->RemoveObserver(this);
   web_contents_->Close();
   web_contents_ = nullptr;
   browser_context_->Close();
   browser_context_ = nullptr;
 }
 
 ProtocolHandlerMap HeadlessAsyncDevTooledBrowserTest::GetProtocolHandlers() {
   return ProtocolHandlerMap();
 }
 
-HeadlessWebContents::Builder::TabSocketType
-HeadlessAsyncDevTooledBrowserTest::GetTabSocketType() {
-  return HeadlessWebContents::Builder::TabSocketType::NONE;
-}
-
-bool HeadlessAsyncDevTooledBrowserTest::
-    GetCreateTabSocketOnlyForIsolatedWorld() {
+bool HeadlessAsyncDevTooledBrowserTest::GetCreateTabSocket() {
   return false;
 }
 
 }  // namespace headless