[parser] Remove ParseInfo::closure field.

test/cctest/test-parsing.cc

 // Copyright 2012 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1110 matching lines @@
   i::Handle<i::Script> script = factory->NewScript(source_code);
 
   i::ParseInfo info(handles.main_zone(), script);
   i::Parser parser(&info);
   parser.set_allow_harmony_sloppy(true);
   info.set_global();
   info.set_lazy(false);
   info.set_allow_lazy_parsing(false);
   info.set_toplevel(true);
 
-  i::CompilationInfo compilation_info(&info);
   CHECK(i::Compiler::ParseAndAnalyze(&info));
 
   CHECK(info.scope()->declarations()->length() == 1);
   i::FunctionLiteral* fun =
       info.scope()->declarations()->at(0)->AsFunctionDeclaration()->fun();
   CHECK(fun->body()->length() == 1);
   CHECK(fun->body()->at(0)->IsReturnStatement());
   i::ReturnStatement* ret = fun->body()->at(0)->AsReturnStatement();
   i::Literal* lit = ret->expression()->AsLiteral();
   if (lit != NULL) {
@@ skipping 6238 matching lines @@
     // "Array() **= 10",
     NULL
   };
   // clang-format on
 
   static const ParserFlag always_flags[] = {
       kAllowHarmonyExponentiationOperator};
   RunParserSyncTest(context_data, error_data, kError, NULL, 0, always_flags,
                     arraysize(always_flags));
 }