cc: Remove legacy accelerated painting path

cc/layers/content_layer.cc

Index: cc/layers/content_layer.cc
diff --git a/cc/layers/content_layer.cc b/cc/layers/content_layer.cc
index 9269f7c67d2e060eb43ed9402254a1d36afd4313..9bdbc53071b7b7276cefee59e3f3831d492763a4 100644
--- a/cc/layers/content_layer.cc
+++ b/cc/layers/content_layer.cc
@@ -95,21 +95,17 @@ void ContentLayer::CreateUpdaterIfNeeded() {
     return;
   scoped_ptr<LayerPainter> painter =
       ContentLayerPainter::Create(client_).PassAs<LayerPainter>();
-  if (layer_tree_host()->settings().accelerate_painting)
-    updater_ = SkPictureContentLayerUpdater::Create(
-        painter.Pass(),
-        rendering_stats_instrumentation(),
-        id());
-  else if (layer_tree_host()->settings().per_tile_painting_enabled)
+  if (layer_tree_host()->settings().per_tile_painting_enabled) {
     updater_ = BitmapSkPictureContentLayerUpdater::Create(
         painter.Pass(),
         rendering_stats_instrumentation(),
         id());
-  else
+  } else {
     updater_ = BitmapContentLayerUpdater::Create(
         painter.Pass(),
         rendering_stats_instrumentation(),
         id());
+  }
   updater_->SetOpaque(contents_opaque());
 
   unsigned texture_format =