More refactoring for Viewer

* Move support files into sk_app and main files up to top directory
* Rename VulkanTestContext and create WindowContext parent class
* Place VulkanWindowContext et al. in sk_app namespace.
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1944413005

Review-Url: https://codereview.chromium.org/1944413005

1 files changed, 37 insertions, 0 deletions

diff --git a/tools/viewer/sk_app/win/Window_win.h b/tools/viewer/sk_app/win/Window_win.h
new file mode 100644
index 0000000000..e295212f31
--- /dev/null
+++ b/tools/viewer/sk_app/win/Window_win.h
@@ -0,0 +1,37 @@
+/*
+* 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 Window_win_DEFINED
+#define Window_win_DEFINED
+
+#include <windows.h>
+#include "../Window.h"
+
+namespace sk_app {
+
+class Window_win : public Window {
+public:
+    Window_win() : Window() {}
+    ~Window_win() override {}
+
+    bool init(HINSTANCE instance);
+
+    void setTitle(const char*) override;
+    void show() override;
+
+    bool attach(BackEndType attachType, int msaaSampleCount) override;
+
+    void inval() override;
+
+private:
+    HINSTANCE fHInstance;
+    HWND      fHWnd;
+};
+
+}   // namespace sk_app
+
+#endif