mojo: Add InThreadApplicationLoader.

mojo/shell/in_thread_application_loader.cc

Index: mojo/shell/in_thread_application_loader.cc
diff --git a/mojo/shell/in_thread_application_loader.cc b/mojo/shell/in_thread_application_loader.cc
new file mode 100644
index 0000000000000000000000000000000000000000..40ef382bb4fc0888767de40b540b079ec42bed48
--- /dev/null
+++ b/mojo/shell/in_thread_application_loader.cc
@@ -0,0 +1,45 @@
+// 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 "mojo/shell/in_thread_application_loader.h"
+
+#include "base/bind.h"
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/task_runner.h"
+#include "base/thread_task_runner_handle.h"
+#include "mojo/application/public/cpp/application_delegate.h"
+#include "mojo/application/public/cpp/application_impl.h"
+#include "mojo/application/public/interfaces/application.mojom.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
+
+namespace mojo {
+namespace shell {
+
+InThreadApplicationLoader::InThreadApplicationLoader(
+    const ApplicationFactory& factory)
+    : InThreadApplicationLoader(factory, base::Closure()) {}
+
+InThreadApplicationLoader::InThreadApplicationLoader(
+    const ApplicationFactory& factory,
+    const base::Closure& termination_closure)
+    : factory_(factory),
+      termination_closure_(termination_closure),
+      weak_factory_(this) {}
+
+InThreadApplicationLoader::~InThreadApplicationLoader() {}
+
+void InThreadApplicationLoader::Load(const GURL& url,
+                                     InterfaceRequest<Application> request) {
+  // TODO(xhwang): Handle repeating Load requests?
+
+  application_delegate_ = factory_.Run();
+  DCHECK(application_delegate_);
+
+  application_impl_.reset(new ApplicationImpl(
+      application_delegate_.get(), request.Pass(), termination_closure_));
+}
+
+}  // namespace shell
+}  // namespace mojo