Adding 2 functions to the Skia API

src/core/SkFlattenableSerialization.cpp

Index: src/core/SkFlattenableSerialization.cpp
diff --git a/src/core/SkFlattenableSerialization.cpp b/src/core/SkFlattenableSerialization.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..06abbc6783e249ecaa7d6352f182515e071d72fa
--- /dev/null
+++ b/src/core/SkFlattenableSerialization.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkFlattenableSerialization.h"
+
+#include "SkData.h"
+#include "SkImageFilter.h"
+#include "SkOrderedReadBuffer.h"
+#include "SkOrderedWriteBuffer.h"
+
+SkData* SkSerializeFlattenable(SkFlattenable* flattenable) {
+    SkOrderedWriteBuffer writer(1024);
+    writer.setFlags(SkOrderedWriteBuffer::kCrossProcess_Flag);
+    writer.writeFlattenable(flattenable);
+    uint32_t size = writer.bytesWritten();
+    void* data = sk_malloc_throw(size);
+    writer.writeToMemory(data);
+    return SkData::NewFromMalloc(data, size);
+}
+
+SkImageFilter* SkDeserializeImageFilter(const void* data, size_t size) {
+    SkOrderedReadBuffer buffer(data, size);
+    return buffer.readFlattenableT<SkImageFilter>();
+}