Revert of Remove support for thread-based recompilation

src/compiler.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/compiler.h"
 
 #include <algorithm>
 
 #include "src/ast-numbering.h"
 #include "src/bootstrapper.h"
@@ skipping 801 matching lines @@
   DCHECK(!info->isolate()->has_pending_exception());
   InsertCodeIntoOptimizedCodeMap(info);
   RecordFunctionCompilation(Logger::LAZY_COMPILE_TAG, info,
                             info->shared_info());
   return true;
 }
 
 
 static bool GetOptimizedCodeLater(CompilationInfo* info) {
   Isolate* isolate = info->isolate();
-  if (!isolate->optimizing_compile_dispatcher()->IsQueueAvailable()) {
+  if (!isolate->optimizing_compiler_thread()->IsQueueAvailable()) {
     if (FLAG_trace_concurrent_recompilation) {
       PrintF("  ** Compilation queue full, will retry optimizing ");
       info->closure()->ShortPrint();
       PrintF(" later.\n");
     }
     return false;
   }
 
   CompilationHandleScope handle_scope(info);
   if (!Compiler::ParseAndAnalyze(info->parse_info())) return false;
 
   // Reopen handles in the new CompilationHandleScope.
   info->ReopenHandlesInNewHandleScope();
   info->parse_info()->ReopenHandlesInNewHandleScope();
 
   TimerEventScope<TimerEventRecompileSynchronous> timer(info->isolate());
 
   OptimizedCompileJob* job = new (info->zone()) OptimizedCompileJob(info);
   OptimizedCompileJob::Status status = job->CreateGraph();
   if (status != OptimizedCompileJob::SUCCEEDED) return false;
-  isolate->optimizing_compile_dispatcher()->QueueForOptimization(job);
+  isolate->optimizing_compiler_thread()->QueueForOptimization(job);
 
   if (FLAG_trace_concurrent_recompilation) {
     PrintF("  ** Queued ");
     info->closure()->ShortPrint();
     if (info->is_osr()) {
       PrintF(" for concurrent OSR at %d.\n", info->osr_ast_id().ToInt());
     } else {
       PrintF(" for concurrent optimization.\n");
     }
   }
@@ skipping 742 matching lines @@
 }
 
 
 #if DEBUG
 void CompilationInfo::PrintAstForTesting() {
   PrintF("--- Source from AST ---\n%s\n",
          PrettyPrinter(isolate(), zone()).PrintProgram(function()));
 }
 #endif
 } }  // namespace v8::internal