cc: Use visible_rect_for_tile_priority_ where approriate

cc/test/fake_picture_layer_impl.h

Index: cc/test/fake_picture_layer_impl.h
diff --git a/cc/test/fake_picture_layer_impl.h b/cc/test/fake_picture_layer_impl.h
index a06805c08ee44af979db607b4c91dfb5ef645390..365e9dbb6fe8644389556ac301ba72b4a1f3908c 100644
--- a/cc/test/fake_picture_layer_impl.h
+++ b/cc/test/fake_picture_layer_impl.h
@@ -92,6 +92,9 @@ class FakePictureLayerImpl : public PictureLayerImpl {
   const Region& invalidation() const { return invalidation_; }
   void set_invalidation(const Region& region) { invalidation_ = region; }
 
+  void set_visible_rect_for_tile_priority(gfx::Rect rect) {
+    visible_rect_for_tile_priority_ = rect;
+  }
   gfx::Rect visible_rect_for_tile_priority() {
     return visible_rect_for_tile_priority_;
   }