Revert of Remove support for thread-based recompilation

src/execution.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/execution.h"
 
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/isolate-inl.h"
@@ skipping 659 matching lines @@
   if (CheckAndClearInterrupt(TERMINATE_EXECUTION)) {
     return isolate_->TerminateExecution();
   }
 
   if (CheckAndClearInterrupt(DEOPT_MARKED_ALLOCATION_SITES)) {
     isolate_->heap()->DeoptMarkedAllocationSites();
   }
 
   if (CheckAndClearInterrupt(INSTALL_CODE)) {
     DCHECK(isolate_->concurrent_recompilation_enabled());
-    isolate_->optimizing_compile_dispatcher()->InstallOptimizedFunctions();
+    isolate_->optimizing_compiler_thread()->InstallOptimizedFunctions();
   }
 
   if (CheckAndClearInterrupt(API_INTERRUPT)) {
     // Callbacks must be invoked outside of ExecusionAccess lock.
     isolate_->InvokeApiInterruptCallbacks();
   }
 
   isolate_->counters()->stack_interrupts()->Increment();
   isolate_->counters()->runtime_profiler_ticks()->Increment();
   isolate_->runtime_profiler()->OptimizeNow();
 
   return isolate_->heap()->undefined_value();
 }
 
 } }  // namespace v8::internal