Shell: Remove ChildProcessHost::Delegate.

shell/app_child_process_host.cc

 // Copyright 2014 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 "shell/app_child_process_host.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/public/cpp/system/core.h"
 #include "shell/context.h"
 #include "shell/task_runners.h"
 
 namespace mojo {
 namespace shell {
 
 AppChildProcessHost::AppChildProcessHost(Context* context)
-    : ChildProcessHost(context, this), channel_info_(nullptr) {
+    : ChildProcessHost(context), channel_info_(nullptr) {
 }
 
 AppChildProcessHost::~AppChildProcessHost() {
 }
 
 void AppChildProcessHost::StartApp(
     const String& app_path,
     bool clean_app_path,
     InterfaceRequest<Application> application_request,
     const AppChildController::StartAppCallback& on_app_complete) {
@@ skipping 45 matching lines @@
 void AppChildProcessHost::AppCompleted(int32_t result) {
   if (!on_app_complete_.is_null()) {
     auto on_app_complete = on_app_complete_;
     on_app_complete_.reset();
     on_app_complete.Run(result);
   }
 }
 
 }  // namespace shell
 }  // namespace mojo