cc: Clarify that color spaces are for raster

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 946 matching lines @@
 
 void LayerTreeHost::SetPaintedDeviceScaleFactor(
     float painted_device_scale_factor) {
   if (painted_device_scale_factor_ == painted_device_scale_factor)
     return;
   painted_device_scale_factor_ = painted_device_scale_factor;
 
   SetNeedsCommit();
 }
 
-void LayerTreeHost::SetDeviceColorSpace(
-    const gfx::ColorSpace& device_color_space) {
-  if (device_color_space_ == device_color_space)
+void LayerTreeHost::SetRasterColorSpace(
+    const gfx::ColorSpace& raster_color_space) {
+  if (raster_color_space_ == raster_color_space)
     return;
-  device_color_space_ = device_color_space;
+  raster_color_space_ = raster_color_space;
   LayerTreeHostCommon::CallFunctionForEveryLayer(
       this, [](Layer* layer) { layer->SetNeedsDisplay(); });
 }
 
 void LayerTreeHost::SetContentSourceId(uint32_t id) {
   if (content_source_id_ == id)
     return;
   content_source_id_ = id;
   SetNeedsCommit();
 }
@@ skipping 159 matching lines @@
       browser_controls_shrink_blink_size_);
   tree_impl->set_top_controls_height(top_controls_height_);
   tree_impl->set_bottom_controls_height(bottom_controls_height_);
   tree_impl->PushBrowserControlsFromMainThread(top_controls_shown_ratio_);
   tree_impl->elastic_overscroll()->PushFromMainThread(elastic_overscroll_);
   if (tree_impl->IsActiveTree())
     tree_impl->elastic_overscroll()->PushPendingToActive();
 
   tree_impl->set_painted_device_scale_factor(painted_device_scale_factor_);
 
-  tree_impl->SetDeviceColorSpace(device_color_space_);
+  tree_impl->SetRasterColorSpace(raster_color_space_);
 
   tree_impl->set_content_source_id(content_source_id_);
 
   if (pending_page_scale_animation_) {
     tree_impl->SetPendingPageScaleAnimation(
         std::move(pending_page_scale_animation_));
   }
 
   DCHECK(!tree_impl->ViewportSizeInvalid());
 
@@ skipping 156 matching lines @@
 LayerListReverseIterator<Layer> LayerTreeHost::rend() {
   return LayerListReverseIterator<Layer>(nullptr);
 }
 
 void LayerTreeHost::SetNeedsDisplayOnAllLayers() {
   for (auto* layer : *this)
     layer->SetNeedsDisplay();
 }
 
 }  // namespace cc