Serializer: remove unused --serialize-inner flag.

src/snapshot/serialize.h

 // Copyright 2012 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.
 
 #ifndef V8_SNAPSHOT_SERIALIZE_H_
 #define V8_SNAPSHOT_SERIALIZE_H_
 
 #include "src/hashmap.h"
 #include "src/heap/heap.h"
 #include "src/objects.h"
@@ skipping 837 matching lines @@
   static const int kCodeStubsBaseIndex = 1;
 
   String* source() const {
     DCHECK(!AllowHeapAllocation::IsAllowed());
     return source_;
   }
 
   const List<uint32_t>* stub_keys() const { return &stub_keys_; }
 
  private:
-  CodeSerializer(Isolate* isolate, SnapshotByteSink* sink, String* source,
-                 Code* main_code)
-      : Serializer(isolate, sink), source_(source), main_code_(main_code) {
+  CodeSerializer(Isolate* isolate, SnapshotByteSink* sink, String* source)
+      : Serializer(isolate, sink), source_(source) {
     back_reference_map_.AddSourceString(source);
   }
 
   ~CodeSerializer() { OutputStatistics("CodeSerializer"); }
 
   virtual void SerializeObject(HeapObject* o, HowToCode how_to_code,
                                WhereToPoint where_to_point, int skip) override;
 
   void SerializeBuiltin(int builtin_index, HowToCode how_to_code,
                         WhereToPoint where_to_point);
   void SerializeIC(Code* ic, HowToCode how_to_code,
                    WhereToPoint where_to_point);
   void SerializeCodeStub(uint32_t stub_key, HowToCode how_to_code,
                          WhereToPoint where_to_point);
   void SerializeGeneric(HeapObject* heap_object, HowToCode how_to_code,
                         WhereToPoint where_to_point);
   int AddCodeStubKey(uint32_t stub_key);
 
   DisallowHeapAllocation no_gc_;
   String* source_;
-  Code* main_code_;
   List<uint32_t> stub_keys_;
   DISALLOW_COPY_AND_ASSIGN(CodeSerializer);
 };
 
 
 // Wrapper around reservation sizes and the serialization payload.
 class SnapshotData : public SerializedData {
  public:
   // Used when producing.
   explicit SnapshotData(const Serializer& ser);
@@ skipping 86 matching lines @@
   static const int kNumCodeStubKeysOffset = kNumReservationsOffset + kInt32Size;
   static const int kPayloadLengthOffset = kNumCodeStubKeysOffset + kInt32Size;
   static const int kChecksum1Offset = kPayloadLengthOffset + kInt32Size;
   static const int kChecksum2Offset = kChecksum1Offset + kInt32Size;
   static const int kHeaderSize = kChecksum2Offset + kInt32Size;
 };
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_SNAPSHOT_SERIALIZE_H_