Backed out changeset bf93cbec0450 (bug 1112170) for OSX asserts/crashes.

gfx/layers/client/ClientPaintedLayer.cpp

@@ -162,7 +162,10 @@ ClientLayerManager::CreatePaintedLayerWithHint(PaintedLayerCreationHint aHint)
 #ifdef MOZ_B2G
       aHint == SCROLLABLE &&
 #endif
-      gfxPlatform::GetPlatform()->UseTiling()) {
+      gfxPlatform::GetPlatform()->UseTiling() &&
+      (AsShadowForwarder()->GetCompositorBackendType() == LayersBackend::LAYERS_OPENGL ||
+       AsShadowForwarder()->GetCompositorBackendType() == LayersBackend::LAYERS_D3D9 ||
+       AsShadowForwarder()->GetCompositorBackendType() == LayersBackend::LAYERS_D3D11)) {
     nsRefPtr<ClientTiledPaintedLayer> layer = new ClientTiledPaintedLayer(this, aHint);
     CREATE_SHADOW(Painted);
     return layer.forget();