Replace ApplicationImpl::CreateApplicationConnector() with a standalone helper function.

mojo/ui/gl_renderer_apptest.cc

 // Copyright 2015 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 "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/gpu/gl_context.h"
 #include "mojo/gpu/gl_texture.h"
 #include "mojo/public/cpp/application/application_impl.h"
 #include "mojo/public/cpp/application/application_test_base.h"
+#include "mojo/public/cpp/application/connect.h"
 #include "mojo/services/geometry/interfaces/geometry.mojom.h"
 #include "mojo/services/gfx/composition/interfaces/resources.mojom.h"
 #include "mojo/ui/gl_renderer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using mojo::gfx::composition::MailboxTextureCallbackPtr;
 
 namespace {
 
 static const base::TimeDelta kDefaultMessageDelay =
     base::TimeDelta::FromMilliseconds(20);
 
 class GLRendererTest : public mojo::test::ApplicationTestBase {
  public:
   GLRendererTest() : weak_factory_(this) {}
   ~GLRendererTest() override {}
 
   void SetUp() override {
     mojo::test::ApplicationTestBase::SetUp();
     gl_context_ = mojo::GLContext::CreateOffscreen(
         mojo::ApplicationConnectorPtr::Create(
-            application_impl()->CreateApplicationConnector())
+            mojo::CreateApplicationConnector(application_impl()->shell()))
             .get());
     quit_message_loop_callback_ = base::Bind(
         &GLRendererTest::QuitMessageLoopCallback, weak_factory_.GetWeakPtr());
   }
 
   void QuitMessageLoopCallback() { base::MessageLoop::current()->Quit(); }
 
   void KickMessageLoop() {
     base::MessageLoop::current()->PostDelayedTask(
         FROM_HERE, quit_message_loop_callback_, kDefaultMessageDelay);
@@ skipping 151 matching lines @@
   gl_context_ = nullptr;
 
   MailboxTextureCallbackPtr::Create(
       std::move(resource1->get_mailbox_texture()->callback))
       ->OnMailboxTextureReleased();
 
   KickMessageLoop();
 }
 
 }  // namespace