First pass at VulkanViewer

tools/vulkan/Application.h

Index: tools/vulkan/Application.h
diff --git a/tools/vulkan/Application.h b/tools/vulkan/Application.h
new file mode 100644
index 0000000000000000000000000000000000000000..623496d502237397e4daf50574e0ec189eb71400
--- /dev/null
+++ b/tools/vulkan/Application.h
@@ -0,0 +1,20 @@
+/*
+* Copyright 2016 Google Inc.
+*
+* Use of this source code is governed by a BSD-style license that can be
+* found in the LICENSE file.
+*/
+
+#ifndef Application_DEFINED
+#define Application_DEFINED
+
+class Application {
+public:
+    static Application* Create(int argc, char** argv, void* platformData);
+
+    virtual ~Application() {}
+
+    virtual void onIdle(float dt) = 0;
+};
+
+#endif