[ABANDONED] Call Microtask::performCheckpoint for each worker task.

Source/bindings/v8/WorkerScriptController.cpp

Index: Source/bindings/v8/WorkerScriptController.cpp
diff --git a/Source/bindings/v8/WorkerScriptController.cpp b/Source/bindings/v8/WorkerScriptController.cpp
index 6127764871bf72ad64238da0085237b601cbcfd7..65369afd5e6ab93f156024a6253cf8620173e0d8 100644
--- a/Source/bindings/v8/WorkerScriptController.cpp
+++ b/Source/bindings/v8/WorkerScriptController.cpp
@@ -70,6 +70,13 @@ WorkerScriptController::WorkerScriptController(WorkerGlobalScope& workerGlobalSc
     V8PerIsolateData::ensureInitialized(m_isolate);
     m_world = DOMWrapperWorld::create(WorkerWorldId);
     m_interruptor = adoptPtr(new V8IsolateInterruptor(m_isolate));
+
+    // FIXME: Calling v8::Context::New in ensureDomInJsContext() later may

[adamk, 2014/03/31 15:27:37]

What circumstances?  What do the crashes look like?

+    // fail in certain cases and lead to a crash.
+    // We need these statements here to prevent that.
+    v8::HandleScope handleScope(m_isolate);
+    V8PerIsolateData::from(m_isolate)->ensureDomInJSContext();
+
     ThreadState::current()->addInterruptor(m_interruptor.get());
 }