Make disable_low_res_tiling independent of is_gpu_rasterization_enable

cc/layers/picture_layer_impl.cc

Index: cc/layers/picture_layer_impl.cc
diff --git a/cc/layers/picture_layer_impl.cc b/cc/layers/picture_layer_impl.cc
index c85e0c55333059041c7373ed23d2573649a6994a..9dbcb49a2d66386302c3ad67e3e63d87e4d43a61 100644
--- a/cc/layers/picture_layer_impl.cc
+++ b/cc/layers/picture_layer_impl.cc
@@ -482,8 +482,6 @@ skia::RefPtr<SkPicture> PictureLayerImpl::GetPicture() {
 void PictureLayerImpl::SetHasGpuRasterizationHint(bool has_hint) {
   bool old_should_use_gpu_rasterization = ShouldUseGpuRasterization();
   has_gpu_rasterization_hint_ = has_hint;
-  if (has_gpu_rasterization_hint_)
-    should_use_low_res_tiling_ = false;
   if (ShouldUseGpuRasterization() != old_should_use_gpu_rasterization)
     RemoveAllTilings();
 }