Eliminate MojoApplicationHost

content/renderer/mus/render_widget_window_tree_client_factory.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 "content/renderer/mus/render_widget_window_tree_client_factory.h"
 
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "content/common/render_widget_window_tree_client_factory.mojom.h"
+#include "content/public/child/child_thread.h"
 #include "content/public/common/mojo_shell_connection.h"
 #include "content/renderer/mus/render_widget_mus_connection.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "services/shell/public/cpp/connection.h"
 #include "services/shell/public/cpp/interface_factory.h"
 #include "services/shell/public/cpp/shell_client.h"
 #include "url/gurl.h"
 
 namespace content {
 
 namespace {
 
 // This object's lifetime is managed by MojoShellConnection because it's a
 // registered with it.
 class RenderWidgetWindowTreeClientFactoryImpl
     : public shell::ShellClient,
       public shell::InterfaceFactory<
           mojom::RenderWidgetWindowTreeClientFactory>,
       public mojom::RenderWidgetWindowTreeClientFactory {
  public:
   RenderWidgetWindowTreeClientFactoryImpl() {
-    DCHECK(MojoShellConnection::GetForProcess());
+    DCHECK(ChildThread::Get()->GetMojoShellConnection());
   }
 
   ~RenderWidgetWindowTreeClientFactoryImpl() override {}
 
  private:
   // shell::ShellClient implementation:
   bool AcceptConnection(shell::Connection* connection) override {
     connection->AddInterface<mojom::RenderWidgetWindowTreeClientFactory>(this);
     return true;
   }
@@ skipping 15 matching lines @@
   }
 
   mojo::BindingSet<mojom::RenderWidgetWindowTreeClientFactory> bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetWindowTreeClientFactoryImpl);
 };
 
 }  // namespace
 
 void CreateRenderWidgetWindowTreeClientFactory() {
-  MojoShellConnection::GetForProcess()->AddEmbeddedShellClient(
+  ChildThread::Get()->GetMojoShellConnection()->AddEmbeddedShellClient(
       base::WrapUnique(new RenderWidgetWindowTreeClientFactoryImpl));
 }
 
 }  // namespace content