Add paint testing mode subsequence_caching_disabled

cc/layers/content_layer_client.h

Index: cc/layers/content_layer_client.h
diff --git a/cc/layers/content_layer_client.h b/cc/layers/content_layer_client.h
index 24c37aeaa3f0f464b81223daeb17e8f8df8520e2..db9274fdb4ee2fe180d69818e3a3e0f31d9913d8 100644
--- a/cc/layers/content_layer_client.h
+++ b/cc/layers/content_layer_client.h
@@ -22,7 +22,8 @@ class CC_EXPORT ContentLayerClient {
     PAINTING_BEHAVIOR_NORMAL,
     DISPLAY_LIST_CONSTRUCTION_DISABLED,
     DISPLAY_LIST_CACHING_DISABLED,
-    DISPLAY_LIST_PAINTING_DISABLED
+    DISPLAY_LIST_PAINTING_DISABLED,
+    SUBSEQUENCE_CACHING_DISABLED,
   };
 
   // The paintable region is the rectangular region, within the bounds of the