Pass resourceless software mode in BeginFrameArgs

cc/layers/picture_layer_impl.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/picture_layer_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/time/time.h"
@@ skipping 381 matching lines @@
   TRACE_EVENT0("cc", "PictureLayerImpl::UpdateTiles");
 
   DoPostCommitInitializationIfNeeded();
 
   // TODO(danakj): We should always get an occlusion tracker when we are using
   // occlusion, so update this check when we don't use a pending tree in the
   // browser compositor.
   DCHECK(!occlusion_tracker ||
          layer_tree_impl()->settings().use_occlusion_for_tile_prioritization);
 
-  if (layer_tree_impl()->device_viewport_valid_for_tile_management()) {
+  // Transforms and viewport are invalid for tile management inside a
+  // resourceless software draw, so don't update them.
+  if (!layer_tree_impl()->resourceless_software_draw()) {
     visible_rect_for_tile_priority_ = visible_content_rect();
     viewport_size_for_tile_priority_ = layer_tree_impl()->DrawViewportSize();
     screen_space_transform_for_tile_priority_ = screen_space_transform();
   }
 
   if (!CanHaveTilings()) {
     ideal_page_scale_ = 0.f;
     ideal_device_scale_ = 0.f;
     ideal_contents_scale_ = 0.f;
     ideal_source_scale_ = 0.f;
@@ skipping 1219 matching lines @@
   return iterator_index_ < iterators_.size();
 }
 
 bool PictureLayerImpl::LayerEvictionTileIterator::IsCorrectType(
     PictureLayerTiling::TilingEvictionTileIterator* it) const {
   return it->get_type() == iteration_stage_ &&
          (**it)->required_for_activation() == required_for_activation_;
 }
 
 }  // namespace cc