athena: Add a minimal executable for just the UI.

athena_ui_main is a small executable that creates an aura host window
and builds the athena UI on it. This should make it easier to play with
the UI (a la ash_shell etc.)

BUG=362288
R=oshima@chromium.org
TBR=ben@chromium.org

Review URL: https://codereview.chromium.org/302473005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@273718 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 67 insertions, 0 deletions

diff --git a/athena/main/DEPS b/athena/main/DEPS
index e2789a5..2d53fb1 100644
--- a/athena/main/DEPS
+++ b/athena/main/DEPS
@@ -3,6 +3,8 @@ include_rules = [
   "+athena/screen/public",
   "+athena/wm/public",
   "+ui/aura",
+  "+ui/compositor",
+  "+ui/gl",
   "+ui/wm/core",
 ]
 
@@ -12,6 +14,9 @@ specific_include_rules = {
     "+apps/shell/browser",
     "+content/public/app",
   ],
+  "athena_shell\.cc": [
+    "+athena/test",
+  ],
 # TODO(oshima): Remove this.
   "placeholder\.*": [
     "+third_party/skia",
diff --git a/athena/main/athena_main.gyp b/athena/main/athena_main.gyp
index 480f40c..c21fa111 100644
--- a/athena/main/athena_main.gyp
+++ b/athena/main/athena_main.gyp
@@ -28,5 +28,23 @@
         'placeholder.h',
       ],
     },
+    {
+      'target_name': 'athena_shell',
+      'type': 'executable',
+      'dependencies': [
+        '../../base/base.gyp:base',
+        '../../base/base.gyp:base_i18n',
+        '../../skia/skia.gyp:skia',
+        '../../ui/accessibility/accessibility.gyp:ax_gen',
+        '../../ui/aura/aura.gyp:aura',
+        '../../ui/compositor/compositor.gyp:compositor_test_support',
+        '../../ui/gfx/gfx.gyp:gfx',
+        '../athena.gyp:athena_lib',
+        '../athena.gyp:athena_test_support',
+      ],
+      'sources': [
+        'athena_shell.cc',
+      ],
+    }
   ],  # targets
 }
diff --git a/athena/main/athena_shell.cc b/athena/main/athena_shell.cc
new file mode 100644
index 0000000..3a1ef1d
--- /dev/null
+++ b/athena/main/athena_shell.cc
@@ -0,0 +1,44 @@
+// Copyright 2014 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 "athena/test/athena_test_helper.h"
+#include "base/at_exit.h"
+#include "base/command_line.h"
+#include "base/i18n/icu_util.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "ui/aura/window_tree_host.h"
+#include "ui/compositor/test/context_factories_for_test.h"
+#include "ui/gl/gl_surface.h"
+
+class UIShell {
+ public:
+  explicit UIShell(base::MessageLoopForUI* message_loop)
+      : athena_helper_(message_loop) {
+    const bool enable_pixel_output = true;
+    ui::ContextFactory* factory =
+        ui::InitializeContextFactoryForTests(enable_pixel_output);
+    athena_helper_.SetUp(factory);
+    athena_helper_.host()->Show();
+  }
+
+ private:
+  athena::test::AthenaTestHelper athena_helper_;
+
+  DISALLOW_COPY_AND_ASSIGN(UIShell);
+};
+
+int main(int argc, const char **argv) {
+  setlocale(LC_ALL, "");
+
+  base::AtExitManager exit_manager;
+  base::CommandLine::Init(argc, argv);
+  base::i18n::InitializeICU();
+  gfx::GLSurface::InitializeOneOffForTests();
+
+  base::MessageLoopForUI message_loop;
+  UIShell shell(&message_loop);
+  base::RunLoop run_loop;
+  run_loop.Run();
+}