[heap] Simplify and scale ResourceConstraints::ConfigureDefaults.

include/v8.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.
 
 /** \mainpage V8 API Reference Guide
  *
  * V8 is Google's open source JavaScript engine.
  *
  * This set of documents provides reference material generated from the
  * V8 header file, include/v8.h.
@@ skipping 5943 matching lines @@
   size_t code_range_size() const { return code_range_size_; }
   void set_code_range_size(size_t limit_in_mb) {
     code_range_size_ = limit_in_mb;
   }
   size_t max_zone_pool_size() const { return max_zone_pool_size_; }
   void set_max_zone_pool_size(const size_t bytes) {
     max_zone_pool_size_ = bytes;
   }
 
  private:
+  int ComputeMaxOldGenerationSize(uint64_t physical_memory);
+  int ComputeMaxSemiSpaceSize(uint64_t physical_memory);
+
   int max_semi_space_size_;
   int max_old_space_size_;
   int max_executable_size_;
   uint32_t* stack_limit_;
   size_t code_range_size_;
   size_t max_zone_pool_size_;
 };
 
 
 // --- Exceptions ---
@@ skipping 4166 matching lines @@
  */
 
 
 }  // namespace v8
 
 
 #undef TYPE_CHECK
 
 
 #endif  // INCLUDE_V8_H_