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/memory/scoped_ptr.h"
+#include "base/stl_util.h"
+#include "content/public/common/static_mojo_application_loader.h"
+#include "content/public/utility/utility_thread.h"
+#include "mojo/application/public/cpp/application_delegate.h"
+#include "mojo/shell/application_loader.h"
+
+namespace content {
+
+namespace {
+
+// Called when a static application terminates.
+void QuitProcess() {
+  content::UtilityThread::Get()->ReleaseProcessIfNeeded();
+}
+
+}  // namespace
+
+UtilityProcessControlImpl::UtilityProcessControlImpl() {
+}
+
+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(LOAD_APPLICATION_RESULT_NOT_FOUND);
+    return;
+  }
+
+  callback.Run(LOAD_APPLICATION_RESULT_OK);
+  it->second->Load(application_url, request.Pass());
+}
+
+void UtilityProcessControlImpl::RegisterStaticAppForURL(
+    const GURL& url,
+    const StaticAppFactory& factory) {
+  auto result = url_to_loader_map_.insert(std::make_pair(
+      url,
+      // Cleaned up in ~UtilityProcessControlImp.
+      new StaticMojoApplicationLoader(factory, base::Bind(&QuitProcess))));
+  DCHECK(result.second);
+}
+
+} // namespace content