WIP RasterCanvasLayerAllocator experiment 2

skia/ext/layer_allocator.h

Index: skia/ext/layer_allocator.h
diff --git a/skia/ext/layer_allocator.h b/skia/ext/layer_allocator.h
new file mode 100644
index 0000000000000000000000000000000000000000..41940c7f9c08d65eabd75acf4ea43f1e98b6698d
--- /dev/null
+++ b/skia/ext/layer_allocator.h
@@ -0,0 +1,22 @@
+// Copyright (c) 2016 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.
+
+#ifndef SKIA_EXT_LAYER_ALLOCATOR_H
+#define SKIA_EXT_LAYER_ALLOCATOR_H
+
+// Include the platform-appropriate LayerAllocator header, which
+// coordinates PlatformCanvases with PlatformSurfaces.
+
+#if defined(WIN32)
+#include "skia/ext/layer_allocator_win.h"
+#elif defined(__APPLE__)
+#include "skia/ext/layer_allocator_mac.h"
+#elif defined(USE_CAIRO)
+#include "skia/ext/layer_allocator_cairo.h"
+#else
+#include "skia/ext/layer_allocator_skia.h"
+#endif
+
+#endif  // SKIA_EXT_LAYER_ALLOCATOR_H
+