Add 'closed' and 'destroyed' event for Window.

browser/api/atom_api_event_emitter.cc

@@ -32,6 +32,11 @@ EventEmitter::EventEmitter(v8::Handle<v8::Object> wrapper) {
 EventEmitter::~EventEmitter() {
 }
 
+bool EventEmitter::Emit(const std::string& name) {
+  base::ListValue args;
+  return Emit(name, &args);
+}
+
 bool EventEmitter::Emit(const std::string& name, base::ListValue* args) {
   v8::HandleScope scope;
 

browser/api/atom_api_event_emitter.h

@@ -26,6 +26,7 @@ class EventEmitter : public node::ObjectWrap {
   virtual ~EventEmitter();
 
   // Emit an event and returns whether the handler has called preventDefault().
+  bool Emit(const std::string& name);
   bool Emit(const std::string& name, base::ListValue* args);
 
   // Small accessor to return handle_, this follows Google C++ Style.

browser/api/atom_api_window.cc

@@ -34,7 +34,7 @@ v8::Handle<v8::String> UTF16ToV8String(const string16& s) {
   return v8::String::New(reinterpret_cast<const uint16_t*>(s.data()), s.size());
 }
 
-}
+}  // namespace
 
 Window::Window(v8::Handle<v8::Object> wrapper, base::DictionaryValue* options)
     : EventEmitter(wrapper),
@@ -44,6 +44,8 @@ Window::Window(v8::Handle<v8::Object> wrapper, base::DictionaryValue* options)
 }
 
 Window::~Window() {
+  Emit("destroyed");
+
   window_->RemoveObserver(this);
 }
 
@@ -55,11 +57,12 @@ void Window::OnPageTitleUpdated(bool* prevent_default,
 }
 
 void Window::WillCloseWindow(bool* prevent_default) {
-  base::ListValue args;
+  *prevent_default = Emit("close");
-  *prevent_default = Emit("close", &args);
 }
 
 void Window::OnWindowClosed() {
+  Emit("closed");
+
   // Free memory immediately when window is closed.
   delete this;
 }