Revert of p1 mus+ash chrome renders ui and content

ui/views/mus/window_tree_host_mus.cc

Index: ui/views/mus/window_tree_host_mus.cc
diff --git a/ui/views/mus/window_tree_host_mus.cc b/ui/views/mus/window_tree_host_mus.cc
index 5f0b82564d30f07ff34c0d9618b636c7dd2321b2..7e01767aac928c4a2274e3fcc7a05f8b2668a204 100644
--- a/ui/views/mus/window_tree_host_mus.cc
+++ b/ui/views/mus/window_tree_host_mus.cc
@@ -4,11 +4,9 @@
 
 #include "ui/views/mus/window_tree_host_mus.h"
 
-#include "components/bitmap_uploader/bitmap_uploader.h"
 #include "mojo/application/public/interfaces/shell.mojom.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
-#include "ui/base/view_prop.h"
 #include "ui/events/event.h"
 #include "ui/views/mus/input_method_mus.h"
 #include "ui/views/mus/native_widget_mus.h"
@@ -32,13 +30,6 @@
   // TODO(sky): we need to transform for device scale though.
   dispatcher()->set_transform_events(false);
   compositor()->SetHostHasTransparentBackground(true);
-
-  bitmap_uploader_.reset(new bitmap_uploader::BitmapUploader(window));
-  bitmap_uploader_->Init(shell);
-  prop_.reset(
-      new ui::ViewProp(GetAcceleratedWidget(),
-                       bitmap_uploader::kBitmapUploaderForAcceleratedWidget,
-                       bitmap_uploader_.get()));
 
   input_method_.reset(new InputMethodMUS(this, window));
   SetSharedInputMethod(input_method_.get());