added wxPowerEvent; moved power functions stubs to common/powercmn.cpp

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39359 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/mac/carbon/utils.cpp

@@ -328,18 +328,6 @@ bool wxShutdown(wxShutdownFlags wFlags)
     return false;
 }
 
-wxPowerType wxGetPowerType()
-{
-    // TODO
-    return wxPOWER_UNKNOWN;
-}
-
-wxBatteryState wxGetBatteryState()
-{
-    // TODO
-    return wxBATTERY_UNKNOWN_STATE;
-}
-
 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 wxMemorySize wxGetFreeMemory()
 {