Parallel recompilation: remove interrupt for code generation.

src/optimizing-compiler-thread.h

Index: src/optimizing-compiler-thread.h
diff --git a/src/optimizing-compiler-thread.h b/src/optimizing-compiler-thread.h
index 990005b30a39ecc34e7ff2d299e136622a1f45d7..40599fff4f1a331455beb699200f365e40fc3eb5 100644
--- a/src/optimizing-compiler-thread.h
+++ b/src/optimizing-compiler-thread.h
@@ -50,7 +50,6 @@ class OptimizingCompilerThread : public Thread {
       isolate_(isolate),
       stop_semaphore_(OS::CreateSemaphore(0)),
       input_queue_semaphore_(OS::CreateSemaphore(0)),
-      output_queue_semaphore_(OS::CreateSemaphore(0)),
       time_spent_compiling_(0),
       time_spent_total_(0) {
     NoBarrier_Store(&stop_thread_, static_cast<AtomicWord>(false));
@@ -63,9 +62,6 @@ class OptimizingCompilerThread : public Thread {
   void QueueForOptimization(OptimizingCompiler* optimizing_compiler);
   void InstallOptimizedFunctions();
 
-  // Wait for the next optimized function and install it.
-  Handle<SharedFunctionInfo> InstallNextOptimizedFunction();
-
   inline bool IsQueueAvailable() {
     // We don't need a barrier since we have a data dependency right
     // after.
@@ -85,7 +81,6 @@ class OptimizingCompilerThread : public Thread {
 #endif
 
   ~OptimizingCompilerThread() {
-    delete output_queue_semaphore_;  // Only used for manual mode.
     delete input_queue_semaphore_;
     delete stop_semaphore_;
   }