Factor stuff from ApplicationImpl out to a new class, ApplicationImplBase.

mojo/public/cpp/application/lib/application_impl.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 "mojo/public/cpp/application/application_impl.h"
 
-#include <utility>
-
 #include "mojo/public/cpp/application/application_delegate.h"
-#include "mojo/public/cpp/application/connection_context.h"
-#include "mojo/public/cpp/application/service_provider_impl.h"
-#include "mojo/public/cpp/bindings/interface_ptr.h"
-#include "mojo/public/cpp/bindings/interface_request.h"
-#include "mojo/public/cpp/environment/logging.h"
 
 namespace mojo {
 
 ApplicationImpl::ApplicationImpl(ApplicationDelegate* delegate,
                                  InterfaceRequest<Application> request)
-    : delegate_(delegate), application_binding_(this, request.Pass()) {}
+    : ApplicationImplBase(request.Pass()), delegate_(delegate) {}
 
 ApplicationImpl::~ApplicationImpl() {}
 
-bool ApplicationImpl::HasArg(const std::string& arg) const {
-  return std::find(args_.begin(), args_.end(), arg) != args_.end();
-}
-
-void ApplicationImpl::Initialize(InterfaceHandle<Shell> shell,
-                                 Array<String> args,
-                                 const mojo::String& url) {
-  shell_ = ShellPtr::Create(std::move(shell));
-  shell_.set_connection_error_handler([this]() {
-    delegate_->Quit();
-    service_provider_impls_.clear();
-    Terminate();
-  });
-  url_ = url;
-  args_ = args.To<std::vector<std::string>>();
+void ApplicationImpl::OnInitialize() {
   delegate_->Initialize(this);
 }
 
-void ApplicationImpl::AcceptConnection(
-    const String& requestor_url,
-    InterfaceRequest<ServiceProvider> services,
-    InterfaceHandle<ServiceProvider> exposed_services,
-    const String& url) {
-  // Note: The shell no longer actually connects |exposed_services|, so a) we
-  // never actually get valid |exposed_services| here, b) it should be OK to
-  // drop it on the floor.
-  MOJO_LOG_IF(ERROR, exposed_services)
-      << "DEPRECATED: exposed_services is going away";
-  std::unique_ptr<ServiceProviderImpl> service_provider_impl(
-      new ServiceProviderImpl(
-          ConnectionContext(ConnectionContext::Type::INCOMING, requestor_url,
-                            url),
-          services.Pass()));
-  if (!delegate_->ConfigureIncomingConnection(service_provider_impl.get()))
-    return;
-  service_provider_impls_.push_back(std::move(service_provider_impl));
+bool ApplicationImpl::OnAcceptConnection(
+    ServiceProviderImpl* service_provider_impl) {
+  return delegate_->ConfigureIncomingConnection(service_provider_impl);
 }
 
-void ApplicationImpl::RequestQuit() {
+void ApplicationImpl::OnQuit() {
   delegate_->Quit();
-  Terminate();
 }
 
 }  // namespace mojo