Move occlusion info to TilePriority.

cc/test/test_tile_priorities.h

Index: cc/test/test_tile_priorities.h
diff --git a/cc/test/test_tile_priorities.h b/cc/test/test_tile_priorities.h
index 9d2caab2ffc05299f349abcc77183094161bf7e1..fb53b1d4bd5ecaa02233c52abb966ad0d1f4f8ca 100644
--- a/cc/test/test_tile_priorities.h
+++ b/cc/test/test_tile_priorities.h
@@ -19,19 +19,19 @@ class TilePriorityForEventualBin : public TilePriority {
   TilePriorityForEventualBin();
 };
 
-class TilePriorityForNowBin : public TilePriority {
+class TilePriorityForUnoccludedNowBin : public TilePriority {
  public:
-  TilePriorityForNowBin();
+  TilePriorityForUnoccludedNowBin();
 };
 
-class TilePriorityRequiredForActivation : public TilePriority {
+class TilePriorityUnoccludedRequiredForActivation : public TilePriority {
  public:
-  TilePriorityRequiredForActivation();
+  TilePriorityUnoccludedRequiredForActivation();
 };
 
-class TilePriorityLowRes : public TilePriority {
+class TilePriorityUnoccludedLowRes : public TilePriority {
  public:
-  TilePriorityLowRes();
+  TilePriorityUnoccludedLowRes();
 };
 
 }  // namespace cc