Enabling validation code in serialization and adding serialization to fuzzer

src/core/SkFlattenableSerialization.cpp

 /*
  * 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 "SkFlattenable.h"
-#include "SkImageFilter.h"
-#include "SkOrderedReadBuffer.h"
+#include "SkValidatingReadBuffer.h"
 #include "SkOrderedWriteBuffer.h"
 
-SkData* SkSerializeFlattenable(SkFlattenable* flattenable) {
+SkData* SkValidatingSerializeFlattenable(SkFlattenable* flattenable) {
     SkOrderedWriteBuffer writer(1024);
-    writer.setFlags(SkOrderedWriteBuffer::kCrossProcess_Flag);
+    writer.setFlags(SkOrderedWriteBuffer::kValidation_Flag);
     writer.writeFlattenable(flattenable);
     uint32_t size = writer.bytesWritten();
     void* data = sk_malloc_throw(size);
     writer.writeToMemory(data);
     return SkData::NewFromMalloc(data, size);
 }
 
-// TODO: this guy should be renamed to ImageFilter, or take SkFlattenable::Type as a parameter.
-SkFlattenable* SkDeserializeFlattenable(const void* data, size_t size) {
-    SkOrderedReadBuffer buffer(data, size);
-    return buffer.readImageFilter();
+SkFlattenable* SkValidatingDeserializeFlattenable(const void* data, size_t size,
+                                                  SkFlattenable::Type type) {
+    SkValidatingReadBuffer buffer(data, size);
+    return buffer.readFlattenable(type);
 }