Allow the embedder to pass the virtual memory limit to v8

src/heap.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 554 matching lines @@
   INITIALIZE_ARRAY_ELEMENTS_WITH_HOLE
 };
 
 
 class Heap {
  public:
   // Configure heap size before setup. Return false if the heap has been
   // set up already.
   bool ConfigureHeap(int max_semispace_size,
                      intptr_t max_old_gen_size,
-                     intptr_t max_executable_size);
+                     intptr_t max_executable_size,
+                     intptr_t code_range_size);
   bool ConfigureHeapDefault();
 
   // Prepares the heap, setting up memory areas that are needed in the isolate
   // without actually creating any objects.
   bool SetUp();
 
   // Bootstraps the object heap with the core set of objects required to run.
   // Returns whether it succeeded.
   bool CreateHeapObjects();
 
@@ skipping 2477 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_