Embed a mojo ApplicationManager in content/browser

content/utility/utility_process_control_impl.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/utility/utility_process_control_impl.h"
+
+#include "base/bind.h"
+#include "base/stl_util.h"
+#include "content/public/common/content_client.h"
+#include "content/public/utility/content_utility_client.h"
+#include "content/public/utility/utility_thread.h"
+#include "mojo/shell/static_application_loader.h"
+#include "url/gurl.h"
+
+namespace content {
+
+namespace {
+
+// Called when a static application terminates.
+void QuitProcess() {
+  UtilityThread::Get()->ReleaseProcessIfNeeded();
+}
+
+}  // namespace
+
+UtilityProcessControlImpl::UtilityProcessControlImpl() {
+  ContentUtilityClient::StaticMojoApplicationMap apps;
+  GetContentClient()->utility()->RegisterMojoApplications(&apps);
+  for (const auto& entry : apps) {
+    url_to_loader_map_[entry.first] = new mojo::shell::StaticApplicationLoader(
+        entry.second, base::Bind(&QuitProcess));
+  }
+}
+
+UtilityProcessControlImpl::~UtilityProcessControlImpl() {
+  STLDeleteValues(&url_to_loader_map_);
+}
+
+void UtilityProcessControlImpl::LoadApplication(
+    const mojo::String& url,
+    mojo::InterfaceRequest<mojo::Application> request,
+    const LoadApplicationCallback& callback) {
+  GURL application_url = GURL(url.To<std::string>());
+  auto it = url_to_loader_map_.find(application_url);
+  if (it == url_to_loader_map_.end()) {
+    callback.Run(false);
+    return;
+  }
+
+  callback.Run(true);
+  it->second->Load(application_url, request.Pass());
+}
+
+}  // namespace content