Simplify installing concurrently recompiled code.

src/compiler.cc

Index: src/compiler.cc
diff --git a/src/compiler.cc b/src/compiler.cc
index 50db8e067b513a66ee8980f89c3375f4391de87f..47634ec22b285d3ea0485ec9748ebe564b09220e 100644
--- a/src/compiler.cc
+++ b/src/compiler.cc
@@ -1067,7 +1067,7 @@ Handle<Code> Compiler::InstallOptimizedCode(
       info->closure()->PrintName();
       PrintF(" as it has been disabled.\n");
     }
-    ASSERT(!info->closure()->IsMarkedForInstallingRecompiledCode());
+    ASSERT(!info->closure()->IsInRecompileQueue());
     return Handle<Code>::null();
   }
 
@@ -1114,7 +1114,7 @@ Handle<Code> Compiler::InstallOptimizedCode(
   // Optimized code is finally replacing unoptimized code.  Reset the latter's
   // profiler ticks to prevent too soon re-opt after a deopt.
   info->shared_info()->code()->set_profiler_ticks(0);
-  ASSERT(!info->closure()->IsMarkedForInstallingRecompiledCode());
+  ASSERT(!info->closure()->IsInRecompileQueue());
   return (status == OptimizingCompiler::SUCCEEDED) ? info->code()
                                                    : Handle<Code>::null();
 }