Bug 1242874 - part3 : implement different suspended methods. r=baku, r=jwwang

MozReview-Commit-ID: HHYX29gbLwk

dom/plugins/base/nsNPAPIPluginInstance.cpp

@@ -1851,7 +1851,9 @@ nsNPAPIPluginInstance::WindowVolumeChanged(float aVolume, bool aMuted)
 NS_IMETHODIMP
 nsNPAPIPluginInstance::WindowSuspendChanged(nsSuspendedTypes aSuspend)
 {
-  // TODO : implementation.
+  // It doesn't support suspended, so we just do something like mute/unmute.
+  WindowVolumeChanged(1.0, /* useless */
+                      aSuspend != nsISuspendedTypes::NONE_SUSPENDED);
   return NS_OK;
 }