[serializer] split up src/snapshot/serialize.*

src/snapshot/snapshot-source-sink.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 #include "src/snapshot/snapshot-source-sink.h"
 
 #include "src/base/logging.h"
 #include "src/handles-inl.h"
-#include "src/snapshot/serialize.h"  // for SerializerDeserializer::nop()
 
 
 namespace v8 {
 namespace internal {
 
 void SnapshotByteSource::CopyRaw(byte* to, int number_of_bytes) {
   memcpy(to, data_ + position_, number_of_bytes);
   position_ += number_of_bytes;
 }
 
@@ skipping 21 matching lines @@
 
 int SnapshotByteSource::GetBlob(const byte** data) {
   int size = GetInt();
   CHECK(position_ + size <= length_);
   *data = &data_[position_];
   Advance(size);
   return size;
 }
 }  // namespace internal
 }  // namespace v8