Revert "Merge v8globals.h and globals.h"

src/heap.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_HEAP_H_
 #define V8_HEAP_H_
 
 #include <cmath>
 
 #include "allocation.h"
 #include "assert-scope.h"
 #include "counters.h"
 #include "globals.h"
 #include "incremental-marking.h"
 #include "list.h"
 #include "mark-compact.h"
 #include "objects-visiting.h"
 #include "spaces.h"
 #include "splay-tree-inl.h"
 #include "store-buffer.h"
+#include "v8globals.h"
 
 namespace v8 {
 namespace internal {
 
 // Defines all the roots in Heap.
 #define STRONG_ROOT_LIST(V)                                                    \
   V(Map, byte_array_map, ByteArrayMap)                                         \
   V(Map, free_space_map, FreeSpaceMap)                                         \
   V(Map, one_pointer_filler_map, OnePointerFillerMap)                          \
   V(Map, two_pointer_filler_map, TwoPointerFillerMap)                          \
@@ skipping 2801 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_