Simplify feedback vector creation and store in SharedFunctionInfo.

src/parser.cc

Index: src/parser.cc
diff --git a/src/parser.cc b/src/parser.cc
index 6dd01014409c7f141758267270c967c6a0da91ff..853fba7d366bb82e826eced311a99c2aeb6ed116 100644
--- a/src/parser.cc
+++ b/src/parser.cc
@@ -996,7 +996,6 @@ FunctionLiteral* Parser::DoParseProgram(CompilationInfo* info,
           FunctionLiteral::kNotGenerator,
           0);
       result->set_ast_properties(factory()->visitor()->ast_properties());
-      result->set_slot_processor(factory()->visitor()->slot_processor());
       result->set_dont_optimize_reason(
           factory()->visitor()->dont_optimize_reason());
     } else if (stack_overflow()) {
@@ -3258,7 +3257,6 @@ FunctionLiteral* Parser::ParseFunctionLiteral(
   FunctionLiteral::IsParenthesizedFlag parenthesized = parenthesized_function_
       ? FunctionLiteral::kIsParenthesized
       : FunctionLiteral::kNotParenthesized;
-  DeferredFeedbackSlotProcessor* slot_processor;
   AstProperties ast_properties;
   BailoutReason dont_optimize_reason = kNoReason;
   // Parse function body.
@@ -3429,7 +3427,6 @@ FunctionLiteral* Parser::ParseFunctionLiteral(
                         CHECK_OK);
     }
     ast_properties = *factory()->visitor()->ast_properties();
-    slot_processor = factory()->visitor()->slot_processor();
     dont_optimize_reason = factory()->visitor()->dont_optimize_reason();
   }
 
@@ -3456,7 +3453,6 @@ FunctionLiteral* Parser::ParseFunctionLiteral(
                                     pos);
   function_literal->set_function_token_position(function_token_pos);
   function_literal->set_ast_properties(&ast_properties);
-  function_literal->set_slot_processor(slot_processor);
   function_literal->set_dont_optimize_reason(dont_optimize_reason);
 
   if (fni_ != NULL && should_infer_name) fni_->AddFunction(function_literal);