Restore aura support from Mojo repo.

mandoline/ui/aura/aura_init.cc

Index: mandoline/ui/aura/aura_init.cc
diff --git a/mandoline/ui/aura/aura_init.cc b/mandoline/ui/aura/aura_init.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f14a477a98e1cee4db60a3b5ac41b6c1325ff714
--- /dev/null
+++ b/mandoline/ui/aura/aura_init.cc
@@ -0,0 +1,62 @@
+// 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 "mandoline/ui/aura/aura_init.h"
+
+#include "base/i18n/icu_util.h"
+#include "base/lazy_instance.h"
+#include "base/path_service.h"
+#include "mandoline/ui/aura/screen_mojo.h"
+#include "ui/aura/env.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/base/ui_base_paths.h"
+
+namespace mandoline {
+namespace {
+
+// Used to ensure we only init once.
+class Setup {
+ public:
+  Setup() {
+    base::i18n::InitializeICU();
+
+    ui::RegisterPathProvider();
+
+    base::FilePath ui_test_pak_path;
+    CHECK(PathService::Get(ui::UI_TEST_PAK, &ui_test_pak_path));
+    ui::ResourceBundle::InitSharedInstanceWithPakPath(ui_test_pak_path);
+
+    // There is a bunch of static state in gfx::Font, by running this now,
+    // before any other apps load, we ensure all the state is set up.
+    gfx::Font();
+  }
+
+  ~Setup() {
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(Setup);
+};
+
+static base::LazyInstance<Setup>::Leaky setup = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+void InitViews() {
+  setup.Get();
+}
+
+AuraInit::AuraInit() {
+  aura::Env::CreateInstance(false);
+
+  screen_.reset(ScreenMojo::Create());
+  gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, screen_.get());
+
+  InitViews();
+}
+
+AuraInit::~AuraInit() {
+}
+
+}  // namespace mandoline