Revert "Add Smi::Zero and replace all Smi::FromInt(0) calls"

src/debug/liveedit.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/debug/liveedit.h"
 
 #include "src/ast/scopes.h"
 #include "src/code-stubs.h"
 #include "src/compilation-cache.h"
 #include "src/compiler.h"
@@ skipping 1408 matching lines @@
 
   Handle<Code> code = isolate->builtins()->FrameDropper_LiveEdit();
   *top_frame_pc_address = code->entry();
   pre_top_frame->SetCallerFp(bottom_js_frame->fp());
 
   SetUpFrameDropperFrame(bottom_js_frame, code);
 
   for (Address a = unused_stack_top;
       a < unused_stack_bottom;
       a += kPointerSize) {
-    Memory::Object_at(a) = Smi::kZero;
+    Memory::Object_at(a) = Smi::FromInt(0);
   }
 
   return NULL;
 }
 
 
 // Describes a set of call frames that execute any of listed functions.
 // Finding no such frames does not mean error.
 class MultipleFunctionTarget {
  public:
@@ skipping 476 matching lines @@
     scope_info_length++;
 
     current_scope = current_scope->outer_scope();
   }
 
   return scope_info_list;
 }
 
 }  // namespace internal
 }  // namespace v8