cc: Remove the software compositing bool from PrepareTextureMailbox

cc/trees/layer_tree_host.cc

 // Copyright 2011 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/trees/layer_tree_host.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 730 matching lines @@
   PropertyTreeBuilder::BuildPropertyTrees(
       layer_tree_->root_layer(), layer_tree_->page_scale_layer(),
       layer_tree_->inner_viewport_scroll_layer(),
       layer_tree_->outer_viewport_scroll_layer(),
       layer_tree_->overscroll_elasticity_layer(), elastic_overscroll_,
       layer_tree_->page_scale_factor(), layer_tree_->device_scale_factor(),
       gfx::Rect(layer_tree_->device_viewport_size()), identity_transform,
       layer_tree_->property_trees());
 }
 
-bool LayerTreeHost::UsingSharedMemoryResources() {
-  return GetRendererCapabilities().using_shared_memory_resources;
-}
-
 bool LayerTreeHost::DoUpdateLayers(Layer* root_layer) {
   TRACE_EVENT1("cc", "LayerTreeHost::DoUpdateLayers", "source_frame_number",
                source_frame_number());
 
   layer_tree_->UpdateHudLayer(debug_state_.ShowHudInfo());
   UpdateHudLayer();
 
   Layer* root_scroll =
       PropertyTreeBuilder::FindFirstScrollableLayer(root_layer);
   Layer* page_scale_layer = layer_tree_->page_scale_layer();
@@ skipping 369 matching lines @@
 
   surface_client_id_ = proto.surface_client_id();
   next_surface_sequence_ = proto.next_surface_sequence();
 }
 
 AnimationHost* LayerTreeHost::animation_host() const {
   return layer_tree_->animation_host();
 }
 
 }  // namespace cc