Remove high promotion mode.

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 1186 matching lines @@
 }
 
 
 ExternalReference ExternalReference::old_data_space_allocation_limit_address(
     Isolate* isolate) {
   return ExternalReference(
       isolate->heap()->OldDataSpaceAllocationLimitAddress());
 }
 
 
-ExternalReference ExternalReference::
-    new_space_high_promotion_mode_active_address(Isolate* isolate) {
-  return ExternalReference(
-      isolate->heap()->NewSpaceHighPromotionModeActiveAddress());
-}
-
-
 ExternalReference ExternalReference::handle_scope_level_address(
     Isolate* isolate) {
   return ExternalReference(HandleScope::current_level_address(isolate));
 }
 
 
 ExternalReference ExternalReference::handle_scope_next_address(
     Isolate* isolate) {
   return ExternalReference(HandleScope::current_next_address(isolate));
 }
@@ skipping 429 matching lines @@
       r2 = r2 - ad;
     }
     delta = ad - r2;
   } while (q1 < delta || (q1 == delta && r1 == 0));
   int32_t mul = static_cast<int32_t>(q2 + 1);
   multiplier_ = (d < 0) ? -mul : mul;
   shift_ = p - 32;
 }
 
 } }  // namespace v8::internal