cc: Add more eviction categories to picture layer impl.

cc/layers/picture_layer_impl.cc

Index: cc/layers/picture_layer_impl.cc
diff --git a/cc/layers/picture_layer_impl.cc b/cc/layers/picture_layer_impl.cc
index 8dbfeddcb3678952a21b3b7d7df368b5c9c3ca45..49ad601cf1db0b2094f664afbace1fa3a4baa829 100644
--- a/cc/layers/picture_layer_impl.cc
+++ b/cc/layers/picture_layer_impl.cc
@@ -1617,9 +1617,16 @@ PictureLayerImpl::LayerEvictionTileIterator::operator bool() const {
 bool PictureLayerImpl::LayerEvictionTileIterator::AdvanceToNextCategory() {
   switch (current_category_) {
     case PictureLayerTiling::EVENTUALLY:
+      current_category_ =
+          PictureLayerTiling::EVENTUALLY_AND_REQUIRED_FOR_ACTIVATION;
+      return true;
+    case PictureLayerTiling::EVENTUALLY_AND_REQUIRED_FOR_ACTIVATION:
       current_category_ = PictureLayerTiling::SOON;
       return true;
     case PictureLayerTiling::SOON:
+      current_category_ = PictureLayerTiling::SOON_AND_REQUIRED_FOR_ACTIVATION;
+      return true;
+    case PictureLayerTiling::SOON_AND_REQUIRED_FOR_ACTIVATION:
       current_category_ = PictureLayerTiling::NOW;
       return true;
     case PictureLayerTiling::NOW: