Cache viewport rect for tile priority in UpdateTiles

cc/test/fake_picture_layer_impl.cc

Index: cc/test/fake_picture_layer_impl.cc
diff --git a/cc/test/fake_picture_layer_impl.cc b/cc/test/fake_picture_layer_impl.cc
index 2d2e329958f63eba89fe3ac4fe45dd77ee90d274..e7205bae420ddfc7484dd475acb6455a9e38a5f0 100644
--- a/cc/test/fake_picture_layer_impl.cc
+++ b/cc/test/fake_picture_layer_impl.cc
@@ -201,7 +201,7 @@ size_t FakePictureLayerImpl::CountTilesRequired(
   if (visible_rect_for_tile_priority_.IsEmpty())
     return 0;
 
-  gfx::Rect rect = GetViewportForTilePriorityInContentSpace();
+  gfx::Rect rect = GetViewportForTilePriorityInContentSpaceForTesting();

[danakj, 2015/01/21 18:47:40]

use the viewport_rect_for_tile_priority_in_content_space_ the same way PLI does
(and the same way it uses visible_rect_for_tile_priority_ above)

[hush (inactive), 2015/01/21 22:21:10]

Done.

   rect.Intersect(visible_rect_for_tile_priority_);
 
   size_t count = 0;