Another step on the way to context snapshots. We can now refer to...

src/snapshot-common.cc

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 41 matching lines @@
     Deserialize(str, len);
     DeleteArray(str);
     return true;
   } else if (size_ > 0) {
     Deserialize(data_, size_);
     return true;
   }
   return false;
 }
 
-
-class FileByteSink : public SnapshotByteSink {
- public:
-  explicit FileByteSink(const char* snapshot_file) {
-    fp_ = OS::FOpen(snapshot_file, "wb");
-    if (fp_ == NULL) {
-      PrintF("Unable to write to snapshot file \"%s\"\n", snapshot_file);
-      exit(1);
-    }
-  }
-  virtual ~FileByteSink() {
-    if (fp_ != NULL) {
-      fclose(fp_);
-    }
-  }
-  virtual void Put(int byte, const char* description) {
-    if (fp_ != NULL) {
-      fputc(byte, fp_);
-    }
-  }
-  virtual int Position() {
-    return ftell(fp_);
-  }
-
- private:
-  FILE* fp_;
-};
-
-
-bool Snapshot::WriteToFile(const char* snapshot_file) {
-  FileByteSink file(snapshot_file);
-  Serializer ser(&file);
-  ser.Serialize();
-  return true;
-}
-
-
-
 } }  // namespace v8::internal