Revive NPAPI async drawing: stub code. (bug 1217665 part 1, r=aklotz)

dom/plugins/base/nsNPAPIPluginInstance.cpp

@@ -1067,12 +1067,8 @@ nsNPAPIPluginInstance* nsNPAPIPluginInstance::GetFromNPP(NPP npp)
 
 nsresult nsNPAPIPluginInstance::GetDrawingModel(int32_t* aModel)
 {
-#if defined(XP_MACOSX)
   *aModel = (int32_t)mDrawingModel;
   return NS_OK;
-#else
-  return NS_ERROR_FAILURE;
-#endif
 }
 
 nsresult nsNPAPIPluginInstance::IsRemoteDrawingCoreAnimation(bool* aDrawing)
@@ -1211,6 +1207,16 @@ nsNPAPIPluginInstance::GetImageSize(nsIntSize* aSize)
   return !library ? NS_ERROR_FAILURE : library->GetImageSize(&mNPP, aSize);
 }
 
+void
+nsNPAPIPluginInstance::DidComposite()
+{
+  if (RUNNING != mRunning)
+    return;
+
+  AutoPluginLibraryCall library(this);
+  library->DidComposite(&mNPP);
+}
+
 nsresult
 nsNPAPIPluginInstance::NotifyPainted(void)
 {
@@ -1625,6 +1631,35 @@ nsNPAPIPluginInstance::URLRedirectResponse(void* notifyData, NPBool allow)
   }
 }
 
+NPError
+nsNPAPIPluginInstance::InitAsyncSurface(NPSize *size, NPImageFormat format,
+                                        void *initData, NPAsyncSurface *surface)
+{
+  if (mOwner) {
+    return mOwner->InitAsyncSurface(size, format, initData, surface);
+  }
+
+  return NPERR_GENERIC_ERROR;
+}
+
+NPError
+nsNPAPIPluginInstance::FinalizeAsyncSurface(NPAsyncSurface *surface)
+{
+  if (mOwner) {
+    return mOwner->FinalizeAsyncSurface(surface);
+  }
+
+  return NPERR_GENERIC_ERROR;
+}
+
+void
+nsNPAPIPluginInstance::SetCurrentAsyncSurface(NPAsyncSurface *surface, NPRect *changed)
+{
+  if (mOwner) {
+    mOwner->SetCurrentAsyncSurface(surface, changed);
+  }
+}
+
 class CarbonEventModelFailureEvent : public nsRunnable {
 public:
   nsCOMPtr<nsIContent> mContent;