1 files changed, 6 insertions, 7 deletions
diff --git a/deps/v8/src/snapshot/snapshot-source-sink.h b/deps/v8/src/snapshot/snapshot-source-sink.h
index eb4427a75f..9d44678679 100644
--- a/deps/v8/src/snapshot/snapshot-source-sink.h
+++ b/deps/v8/src/snapshot/snapshot-source-sink.h
@@ -39,6 +39,11 @@ class SnapshotByteSource final {
     return data_[position_++];
   }
 
+  byte Peek() const {
+    DCHECK(position_ < length_);
+    return data_[position_];
+  }
+
   void Advance(int by) { position_ += by; }
 
   void CopyRaw(void* to, int number_of_bytes) {
@@ -81,11 +86,10 @@ class SnapshotByteSource final {
   DISALLOW_COPY_AND_ASSIGN(SnapshotByteSource);
 };
 
-
 /**
  * Sink to write snapshot files to.
  *
- * Subclasses must implement actual storage or i/o.
+ * Users must implement actual storage or i/o.
  */
 class SnapshotByteSink {
  public:
@@ -96,11 +100,6 @@ class SnapshotByteSink {
 
   void Put(byte b, const char* description) { data_.push_back(b); }
 
-  void PutSection(int b, const char* description) {
-    DCHECK_LE(b, kMaxUInt8);
-    Put(static_cast<byte>(b), description);
-  }
-
   void PutInt(uintptr_t integer, const char* description);
   void PutRaw(const byte* data, int number_of_bytes, const char* description);