Add framework for (de)serialization of images in SkPicture

This CL adds Plumbing for picture serialization and deserialization
from //blimp to DrawingDisplayItem.

BUG=577262
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Review URL: https://codereview.chromium.org/1675763002

Cr-Commit-Position: refs/heads/master@{#375053}

1 files changed, 30 insertions, 0 deletions

diff --git a/cc/proto/image_serialization_processor.h b/cc/proto/image_serialization_processor.h
new file mode 100644
index 0000000..75b9936
--- /dev/null
+++ b/cc/proto/image_serialization_processor.h
@@ -0,0 +1,30 @@
+// Copyright 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 CC_PROTO_IMAGE_SERIALIZATION_PROCESSOR_H_
+#define CC_PROTO_IMAGE_SERIALIZATION_PROCESSOR_H_
+
+#include "third_party/skia/include/core/SkPicture.h"
+#include "third_party/skia/include/core/SkPixelSerializer.h"
+
+class SkPixelSerializer;
+
+namespace cc {
+
+// ImageSerializationProcessor provides functionality to serialize and
+// deserialize Skia images.
+class ImageSerializationProcessor {
+ public:
+  // The serializer returned from this function can be used to pass in to
+  // SkPicture::serialize(...) for serializing the SkPicture to a stream.
+  virtual SkPixelSerializer* GetPixelSerializer() = 0;
+
+  // Returns a function pointer valid to use for deserializing images when using
+  // SkPicture::CreateFromStream to create an SkPicture from a stream.
+  virtual SkPicture::InstallPixelRefProc GetPixelDeserializer() = 0;
+};
+
+}  // namespace cc
+
+#endif  // CC_PROTO_IMAGE_SERIALIZATION_PROCESSOR_H_