[heap] Limit friendship of the Heap class to essentials.

src/deoptimizer.cc

 // Copyright 2013 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/deoptimizer.h"
 
 #include "src/accessors.h"
 #include "src/codegen.h"
 #include "src/cpu-profiler.h"
 #include "src/disasm.h"
@@ skipping 2234 matching lines @@
   }
 
   Handle<FixedArray> new_array =
       isolate()->factory()->NewFixedArray(new_length, TENURED);
   for (int i = 0; i < array->length(); i++) {
     new_array->set(i, array->get(i));
   }
   for (int i = array->length(); i < length; i++) {
     new_array->set(i, isolate()->heap()->undefined_value());
   }
-  isolate()->heap()->public_set_materialized_objects(*new_array);
+  isolate()->heap()->SetRootMaterializedObjects(*new_array);
   return new_array;
 }
 
 
 DeoptimizedFrameInfo::DeoptimizedFrameInfo(Deoptimizer* deoptimizer,
                                            int frame_index,
                                            bool has_arguments_adaptor,
                                            bool has_construct_stub) {
   FrameDescription* output_frame = deoptimizer->output_[frame_index];
   function_ = output_frame->GetFunction();
@@ skipping 1146 matching lines @@
       DCHECK(value_info->IsMaterializedObject());
 
       value_info->value_ =
           Handle<Object>(previously_materialized_objects->get(i), isolate_);
     }
   }
 }
 
 }  // namespace internal
 }  // namespace v8