cc: Add a flag to layers that returns true if the layer is in RSLL.

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index 65d5dd6f76650ea034706e1cf743c1243ead100f..82ce87db93655556d1359130d58a7f8abc71a90a 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -772,6 +772,10 @@ bool LayerTreeHost::UpdateLayers(Layer* root_layer,
 
     TRACE_EVENT0("cc", "LayerTreeHost::UpdateLayers::CalcDrawProps");
     bool can_render_to_separate_surface = true;
+    // TODO(vmpstr): Passing 0 as the current calculate properties number means
+    // that we won't be able to detect if a layer is part of |update_list|.
+    // Change this if this information is required.
+    int calculate_draw_properties_id = 0;
     LayerTreeHostCommon::CalcDrawPropsMainInputs inputs(
         root_layer,
         device_viewport_size(),
@@ -783,7 +787,8 @@ bool LayerTreeHost::UpdateLayers(Layer* root_layer,
         settings_.can_use_lcd_text,
         can_render_to_separate_surface,
         settings_.layer_transforms_should_scale_layer_contents,
-        &update_list);
+        &update_list,
+        calculate_draw_properties_id);
     LayerTreeHostCommon::CalculateDrawProperties(&inputs);
 
     if (total_frames_used_for_lcd_text_metrics_ <=