Embed a simple Mojo shell in content

chrome/utility/chrome_content_utility_process_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 "chrome/utility/chrome_content_utility_process_impl.h"
+
+#include <list>
+#include <string>
+
+#include "base/bind.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/stl_util.h"
+#include "base/thread_task_runner_handle.h"
+#include "base/threading/thread.h"
+#include "chrome/common/application_urls.h"
+#include "components/proxy_resolver/proxy_resolver_app.h"
+#include "content/public/common/static_mojo_application_loader.h"
+#include "mojo/common/message_pump_mojo.h"
+#include "mojo/shell/application_loader.h"
+#include "third_party/mojo/src/mojo/public/cpp/application/application_delegate.h"
+#include "third_party/mojo/src/mojo/public/cpp/application/application_impl.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
+#include "third_party/mojo/src/mojo/public/interfaces/application/application.mojom.h"
+
+namespace {
+
+template <typename DelegateType>
+scoped_ptr<mojo::ApplicationDelegate> CreateDelegate() {
+  return scoped_ptr<mojo::ApplicationDelegate>(new DelegateType);
+}
+
+template <typename DelegateType>
+content::StaticMojoApplicationLoader::ApplicationFactory MakeStaticFactory() {
+  return base::Bind(&CreateDelegate<DelegateType>);
+}
+
+}  // namespace
+
+ChromeContentUtilityProcessImpl::ChromeContentUtilityProcessImpl() {
+  RegisterApplication(
+      GURL(application_urls::kProxyResolver),
+      new content::StaticMojoApplicationLoader(
+          application_urls::kProxyResolver,
+          MakeStaticFactory<proxy_resolver::ProxyResolverApp>()));
+}
+
+ChromeContentUtilityProcessImpl::~ChromeContentUtilityProcessImpl() {
+  STLDeleteValues(&url_to_loader_map_);
+}
+
+void ChromeContentUtilityProcessImpl::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(content::LAUNCH_RESULT_NOT_FOUND);
+    return;
+  }
+  it->second->Load(application_url, request.Pass());
+  callback.Run(content::LAUNCH_RESULT_OK);
+}
+
+void ChromeContentUtilityProcessImpl::RegisterApplication(
+    const GURL& url,
+    mojo::shell::ApplicationLoader* loader) {
+  auto result = url_to_loader_map_.insert(std::make_pair(url, loader));
+  DCHECK(result.second);
+}