Mark layers that can use LCD text based on layer transform and opacity.

cc/draw_properties.h

Index: cc/draw_properties.h
diff --git a/cc/draw_properties.h b/cc/draw_properties.h
index fc0507c6edd936262ed8b87c7c42ef8bc8353d10..9abaf2a9398909acf40e1fba337f457a630aa49d 100644
--- a/cc/draw_properties.h
+++ b/cc/draw_properties.h
@@ -18,6 +18,7 @@ struct CC_EXPORT DrawProperties {
     DrawProperties()
         : opacity(0)
         , opacity_is_animating(false)
+        , screen_space_opacity_is_animating(false)
         , target_space_transform_is_animating(false)
         , screen_space_transform_is_animating(false)
         , is_clipped(false)
@@ -42,6 +43,7 @@ struct CC_EXPORT DrawProperties {
     // animating, the main thread may not have the same values that are used
     // to draw.
     bool opacity_is_animating;
+    bool screen_space_opacity_is_animating;
     bool target_space_transform_is_animating;
     bool screen_space_transform_is_animating;