Fix build: Too many friends

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 2056 matching lines @@
                                   intptr_t deopt_id,
                                   intptr_t num_args_tested);
 
   static void WriteSentinel(const Array& data, intptr_t test_entry_length);
 
   // A cache of VM heap allocated preinitialized empty ic data entry arrays.
   static RawArray* cached_icdata_arrays_[kCachedICDataArrayCount];
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(ICData, Object);
   friend class Class;
-  friend class SnapshotReader;
   friend class SnapshotWriter;
 };
 
 
 class Function : public Object {
  public:
   RawString* name() const { return raw_ptr()->name_; }
   RawString* PrettyName() const;
   RawString* UserVisibleName() const;
   RawString* QualifiedPrettyName() const;
@@ skipping 6109 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_