Parsing: Make Parser not know about Isolate during background parsing.

src/background-parsing-task.cc

 // Copyright 2014 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/background-parsing-task.h"
 
 namespace v8 {
 namespace internal {
 
 BackgroundParsingTask::BackgroundParsingTask(
@@ skipping 35 matching lines @@
   }
 
   uintptr_t limit = reinterpret_cast<uintptr_t>(&limit) - stack_size_ * KB;
   Parser::ParseInfo parse_info = {limit, source_->hash_seed,
                                   &source_->unicode_cache};
 
   // Parser needs to stay alive for finalizing the parsing on the main
   // thread. Passing &parse_info is OK because Parser doesn't store it.
   source_->parser.Reset(new Parser(source_->info.get(), &parse_info));
   source_->parser->set_allow_lazy(source_->allow_lazy);
-  source_->parser->ParseOnBackground();
+  source_->parser->ParseOnBackground(source_->info.get());
 
   if (script_data != NULL) {
     source_->cached_data.Reset(new ScriptCompiler::CachedData(
         script_data->data(), script_data->length(),
         ScriptCompiler::CachedData::BufferOwned));
     script_data->ReleaseDataOwnership();
     delete script_data;
   }
 }
 }
 }  // namespace v8::internal