Revert of [debugger] flood function for stepping before calling it.

src/snapshot/serialize.cc

 // 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.
 
 #include "src/snapshot/serialize.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
@@ skipping 42 matching lines @@
   Add(ExternalReference::address_of_real_stack_limit(isolate).address(),
       "StackGuard::address_of_real_jslimit()");
   Add(ExternalReference::new_space_start(isolate).address(),
       "Heap::NewSpaceStart()");
   Add(ExternalReference::new_space_mask(isolate).address(),
       "Heap::NewSpaceMask()");
   Add(ExternalReference::new_space_allocation_limit_address(isolate).address(),
       "Heap::NewSpaceAllocationLimitAddress()");
   Add(ExternalReference::new_space_allocation_top_address(isolate).address(),
       "Heap::NewSpaceAllocationTopAddress()");
-  Add(ExternalReference::debug_last_step_action_address(isolate).address(),
-      "Debug::last_step_action_addr()");
+  Add(ExternalReference::debug_step_in_fp_address(isolate).address(),
+      "Debug::step_in_fp_addr()");
   Add(ExternalReference::mod_two_doubles_operation(isolate).address(),
       "mod_two_doubles");
   // Keyed lookup cache.
   Add(ExternalReference::keyed_lookup_cache_keys(isolate).address(),
       "KeyedLookupCache::keys()");
   Add(ExternalReference::keyed_lookup_cache_field_offsets(isolate).address(),
       "KeyedLookupCache::field_offsets()");
   Add(ExternalReference::handle_scope_next_address(isolate).address(),
       "HandleScope::next");
   Add(ExternalReference::handle_scope_limit_address(isolate).address(),
@@ skipping 2781 matching lines @@
   SerializedCodeData* scd = new SerializedCodeData(cached_data);
   SanityCheckResult r = scd->SanityCheck(isolate, source);
   if (r == CHECK_SUCCESS) return scd;
   cached_data->Reject();
   source->GetIsolate()->counters()->code_cache_reject_reason()->AddSample(r);
   delete scd;
   return NULL;
 }
 }  // namespace internal
 }  // namespace v8