Introduce LanguageMode, drop StrictMode.

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 1052 matching lines @@
   // of a scope. We check the scope positions of exactly one scope
   // nested in the global scope of a program. 'inner source' is the
   // source code that determines the part of the source belonging
   // to the nested scope. 'outer_prefix' and 'outer_suffix' are
   // parts of the source that belong to the global scope.
   struct SourceData {
     const char* outer_prefix;
     const char* inner_source;
     const char* outer_suffix;
     i::ScopeType scope_type;
-    i::StrictMode strict_mode;
+    i::LanguageMode language_mode;
   };
 
   const SourceData source_data[] = {
     { "  with ({}) ", "{ block; }", " more;", i::WITH_SCOPE, i::SLOPPY },
     { "  with ({}) ", "{ block; }", "; more;", i::WITH_SCOPE, i::SLOPPY },
     { "  with ({}) ", "{\n"
       "    block;\n"
       "  }", "\n"
       "  more;", i::WITH_SCOPE, i::SLOPPY },
     { "  with ({}) ", "statement;", " more;", i::WITH_SCOPE, i::SLOPPY },
@@ skipping 186 matching lines @@
     i::Handle<i::Script> script = factory->NewScript(source);
     i::CompilationInfoWithZone info(script);
     i::Parser::ParseInfo parse_info = {isolate->stack_guard()->real_climit(),
                                        isolate->heap()->HashSeed(),
                                        isolate->unicode_cache()};
     i::Parser parser(&info, &parse_info);
     parser.set_allow_lazy(true);
     parser.set_allow_harmony_scoping(true);
     parser.set_allow_harmony_arrow_functions(true);
     info.MarkAsGlobal();
-    info.SetStrictMode(source_data[i].strict_mode);
+    info.SetLanguageMode(source_data[i].language_mode);
     parser.Parse();
     CHECK(info.function() != NULL);
 
     // Check scope types and positions.
     i::Scope* scope = info.function()->scope();
     CHECK(scope->is_script_scope());
     CHECK_EQ(scope->start_position(), 0);
     CHECK_EQ(scope->end_position(), kProgramSize);
     CHECK_EQ(scope->inner_scopes()->length(), 1);
 
@@ skipping 3686 matching lines @@
     "const x = 1;",
     "class C {}",
     NULL};
 
   static const ParserFlag always_flags[] = {
     kAllowHarmonyClasses, kAllowHarmonyScoping
   };
   RunParserSyncTest(context_data, statement_data, kError, NULL, 0,
                     always_flags, arraysize(always_flags));
 }