Add shell.beep() API.

common/api/atom_api_shell.cc

@@ -80,12 +80,19 @@ v8::Handle<v8::Value> Shell::MoveItemToTrash(const v8::Arguments &args) {
   return v8::Undefined();
 }
 
+// static
+v8::Handle<v8::Value> Shell::Beep(const v8::Arguments &args) {
+  platform_util::Beep();
+  return v8::Undefined();
+}
+
 // static
 void Shell::Initialize(v8::Handle<v8::Object> target) {
   node::SetMethod(target, "showItemInFolder", ShowItemInFolder);
   node::SetMethod(target, "openItem", OpenItem);
   node::SetMethod(target, "openExternal", OpenExternal);
   node::SetMethod(target, "moveItemToTrash", MoveItemToTrash);
+  node::SetMethod(target, "beep", Beep);
 }
 
 }  // namespace api

common/api/atom_api_shell.h

@@ -21,6 +21,7 @@ class Shell {
   static v8::Handle<v8::Value> OpenItem(const v8::Arguments &args);
   static v8::Handle<v8::Value> OpenExternal(const v8::Arguments &args);
   static v8::Handle<v8::Value> MoveItemToTrash(const v8::Arguments &args);
+  static v8::Handle<v8::Value> Beep(const v8::Arguments &args);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(Shell);
 };

common/platform_util.h

@@ -28,6 +28,8 @@ void OpenExternal(const GURL& url);
 // Move a file to trash.
 void MoveItemToTrash(const base::FilePath& full_path);
 
+void Beep();
+
 }  // platform_util
 
 #endif  // ATOM_COMMON_PLATFORM_UTIL_H_

common/platform_util_mac.mm

@@ -141,4 +141,8 @@ void MoveItemToTrash(const base::FilePath& full_path) {
                  << " to trash";
 }
 
+void Beep() {
+  NSBeep();
+}
+
 }  // namespace platform_util