[platform] Implement a worker pool

src/v8.cc

Index: src/v8.cc
diff --git a/src/v8.cc b/src/v8.cc
index 004a33946148cc2a4f9c71591c5463606726d348..e1457fcae9a5289d850a7255c7d6f0cfd7c8ff92 100644
--- a/src/v8.cc
+++ b/src/v8.cc
@@ -32,13 +32,13 @@
 #include "elements.h"
 #include "bootstrapper.h"
 #include "debug.h"
-#ifdef V8_USE_DEFAULT_PLATFORM
-#include "default-platform.h"
-#endif
 #include "deoptimizer.h"
 #include "frames.h"
 #include "heap-profiler.h"
 #include "hydrogen.h"
+#ifdef V8_USE_DEFAULT_PLATFORM
+#include "libplatform/default-platform.h"
+#endif
 #include "lithium-allocator.h"
 #include "objects.h"
 #include "once.h"
@@ -79,6 +79,11 @@ bool V8::Initialize(Deserializer* des) {
   if (isolate->IsDead()) return false;
   if (isolate->IsInitialized()) return true;
 
+#ifdef V8_USE_DEFAULT_PLATFORM
+  DefaultPlatform* platform = static_cast<DefaultPlatform*>(platform_);
+  platform->SetThreadPoolSize(isolate->max_available_threads());
+#endif
+
   return isolate->Init(des);
 }