Add PlatformPictureSkia and RecordingPlatformDeviceSkia.

skia/ext/platform_picture_skia.h

Index: skia/ext/platform_picture_skia.h
diff --git a/skia/ext/platform_picture_skia.h b/skia/ext/platform_picture_skia.h
new file mode 100644
index 0000000000000000000000000000000000000000..dab71777009bd6c17e4418f4d28f457051b36bbd
--- /dev/null
+++ b/skia/ext/platform_picture_skia.h
@@ -0,0 +1,34 @@
+// Copyright (c) 2012 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_PLATFORM_PICTURE_SKIA_H_
+#define SKIA_EXT_PLATFORM_PICTURE_SKIA_H_
+
+#include "base/basictypes.h"
+#include "third_party/skia/include/core/SkPicture.h"
+
+class SkCanvas;
+class SkProxyCanvas;
+
+namespace skia {
+
+class SK_API PlatformPictureSkia {
+ public:
+  PlatformPictureSkia();
+  ~PlatformPictureSkia();
+
+  SkCanvas* beginRecording(int width, int height);
+  void endRecording();
+  void drawPicture(SkCanvas* canvas);

[alokp, 2012/09/20 15:47:51]

I think a better name for this function would be drawInto?

[reveman, 2012/09/20 17:01:26]

I agree. That's much better!

+
+ private:
+  SkPicture picture_;

[reed1, 2012/09/20 13:42:28]

We are desperately trying to remove SkRefPtr from our public APIs in Skia.
Please use * or some other construct here.

[reveman, 2012/09/20 17:01:26]

ok, np.

+  SkRefPtr<SkProxyCanvas> record_;
+
+  DISALLOW_COPY_AND_ASSIGN(PlatformPictureSkia);
+};
+
+}  // namespace skia
+
+#endif  // SKIA_EXT_PLATFORM_PICTURE_SKIA_H_