Extract non-IO part of mksnapshot into an API method.

src/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-source-sink.h"
 
 #include "src/base/logging.h"
 #include "src/handles-inl.h"
 #include "src/serialize.h"  // for SerializerDeserializer::nop() in AtEOF()
@@ skipping 32 matching lines @@
   if (bytes > 3) Put(static_cast<int>((integer >> 24) & 0xff), "IntPart4");
 }
 
 
 void SnapshotByteSink::PutRaw(const byte* data, int number_of_bytes,
                               const char* description) {
   data_.AddAll(Vector<byte>(const_cast<byte*>(data), number_of_bytes));
 }
 
 
-void SnapshotByteSink::PutBlob(Vector<const byte> blob,
-                               const char* description) {
-  PutInt(blob.length(), description);
-  PutRaw(blob.start(), blob.length(), description);
-}
-
-
 bool SnapshotByteSource::AtEOF() {
   if (0u + length_ - position_ > 2 * sizeof(uint32_t)) return false;
   for (int x = position_; x < length_; x++) {
     if (data_[x] != SerializerDeserializer::nop()) return false;
   }
   return true;
 }
 
 
 bool SnapshotByteSource::GetBlob(const byte** data, int* number_of_bytes) {
   int size = GetInt();
   *number_of_bytes = size;
 
   if (position_ + size <= length_) {
     *data = &data_[position_];
     Advance(size);
     return true;
   } else {
     Advance(length_ - position_);  // proceed until end.
     return false;
   }
 }
 
 }  // namespace v8::internal
 }  // namespace v8