Untangle RNG from v8 core

src/globals.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_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include "include/v8stdint.h"
 
 #include "src/base/build_config.h"
@@ skipping 83 matching lines @@
 # endif
 # define V8_INTPTR_C(x)   (x ## L)
 # define V8_PTR_PREFIX    "l"
 #else
 # define V8_UINT64_C(x)   (x ## ULL)
 # define V8_INT64_C(x)    (x ## LL)
 # define V8_INTPTR_C(x)   (x)
 # define V8_PTR_PREFIX    ""
 #endif
 
-// The following macro works on both 32 and 64-bit platforms.
-// Usage: instead of writing 0x1234567890123456
-//      write V8_2PART_UINT64_C(0x12345678,90123456);
-#define V8_2PART_UINT64_C(a, b) (((static_cast<uint64_t>(a) << 32) + 0x##b##u))
-
 #define V8PRIxPTR V8_PTR_PREFIX "x"
 #define V8PRIdPTR V8_PTR_PREFIX "d"
 #define V8PRIuPTR V8_PTR_PREFIX "u"
 
 // Fix for Mac OS X defining uintptr_t as "unsigned long":
 #if V8_OS_MACOSX
 #undef V8PRIxPTR
 #define V8PRIxPTR "lx"
 #endif
 
@@ skipping 641 matching lines @@
 enum MinusZeroMode {
   TREAT_MINUS_ZERO_AS_ZERO,
   FAIL_ON_MINUS_ZERO
 };
 
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_