Handle rejected promises better for workers.

Source/bindings/core/v8/WorkerScriptController.h

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WorkerScriptController_h
 #define WorkerScriptController_h
 
+#include "bindings/core/v8/RejectedPromises.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/ThreadingPrimitives.h"
 #include "wtf/text/TextPosition.h"
 #include <v8.h>
 
 namespace blink {
 
 class ErrorEvent;
@@ skipping 33 matching lines @@
     // Returns true if the embedder should stop calling idleNotification
     // until real work has been done.
     bool idleNotification() { return m_isolate->IdleNotification(1000); }
 
     // Used by Inspector agents:
     ScriptState* scriptState() { return m_scriptState.get(); }
 
     // Used by V8 bindings:
     v8::Local<v8::Context> context() { return m_scriptState ? m_scriptState->context() : v8::Local<v8::Context>(); }
 
+    RejectedPromises* rejectedPromises() const { return m_rejectedPromises.get(); }
+
 private:
     class WorkerGlobalScopeExecutionState;
 
     bool isContextInitialized() { return m_scriptState && !!m_scriptState->perContextData(); }
 
     // Evaluate a script file in the current execution environment.
     ScriptValue evaluate(const String& script, const String& fileName, const TextPosition& scriptStartPosition);
 
     v8::Isolate* m_isolate;
     WorkerGlobalScope& m_workerGlobalScope;
     RefPtr<ScriptState> m_scriptState;
     RefPtr<DOMWrapperWorld> m_world;
     String m_disableEvalPending;
     bool m_executionForbidden;
     bool m_executionScheduledToTerminate;
     mutable Mutex m_scheduledTerminationMutex;
 
+    OwnPtrWillBePersistent<RejectedPromises> m_rejectedPromises;
+
     // |m_globalScopeExecutionState| refers to a stack object
     // that evaluate() allocates; evaluate() ensuring that the
     // pointer reference to it is removed upon returning. Hence
     // kept as a bare pointer here, and not a Persistent with
     // Oilpan enabled; stack scanning will visit the object and
     // trace its on-heap fields.
     GC_PLUGIN_IGNORE("394615")
     WorkerGlobalScopeExecutionState* m_globalScopeExecutionState;
     OwnPtr<V8IsolateInterruptor> m_interruptor;
 };
 
 } // namespace blink
 
 #endif // WorkerScriptController_h