"Modularize" SkSG

* relocate all SkSG-related files under modules/sksg/
* fix various tidbits to make non-sksg builds possible
* drop obsolete SampleSGInval.cpp

Change-Id: I54e6c5bb1a09f45030fa8d607b3eb3f7cba78957
Reviewed-on: https://skia-review.googlesource.com/130025
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>

1 files changed, 0 insertions, 36 deletions

diff --git a/experimental/sksg/SkSGRenderNode.h b/experimental/sksg/SkSGRenderNode.h
deleted file mode 100644
index 4ca1aec616..0000000000
--- a/experimental/sksg/SkSGRenderNode.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2017 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkSGRenderNode_DEFINED
-#define SkSGRenderNode_DEFINED
-
-#include "SkSGNode.h"
-
-class SkCanvas;
-
-namespace sksg {
-
-/**
- * Base class for nodes which can render to a canvas.
- */
-class RenderNode : public Node {
-public:
-    // Render the node and its descendants to the canvas.
-    void render(SkCanvas*) const;
-
-protected:
-    RenderNode();
-
-    virtual void onRender(SkCanvas*) const = 0;
-
-private:
-    typedef Node INHERITED;
-};
-
-} // namespace sksg
-
-#endif // SkSGRenderNode_DEFINED