cc: Pass Occlusion instead of OcclusionTracker to LayerImpls

cc/test/layer_test_common.cc

Index: cc/test/layer_test_common.cc
diff --git a/cc/test/layer_test_common.cc b/cc/test/layer_test_common.cc
index a07b96812f3c84ae3cf49a2aa4954d92668b5ceb..fed485c9b28cb3b84e772ba787da42888912efbe 100644
--- a/cc/test/layer_test_common.cc
+++ b/cc/test/layer_test_common.cc
@@ -126,7 +126,10 @@ void LayerTestCommon::LayerImplTest::AppendQuadsWithOcclusion(
   render_pass_->shared_quad_state_list.clear();
   occlusion_tracker_.set_occluded_target_rect(occluded);
   layer_impl->WillDraw(DRAW_MODE_HARDWARE, resource_provider());
-  layer_impl->AppendQuads(render_pass_.get(), occlusion_tracker_, &data);
+  layer_impl->AppendQuads(render_pass_.get(),
+                          occlusion_tracker_.GetCurrentOcclusionForLayer(

[danakj, 2014/10/07 17:01:23]

How about just construct an Occlusion with the |occluded| rect in it? and drop
the tracker_ member entirely

[vmpstr, 2014/10/07 18:50:09]

Constructed Occlusion, keeping the tracker around for now (see below).

+                              layer_impl->draw_transform()),
+                          &data);
   layer_impl->DidDraw(resource_provider());
 }
 
@@ -140,7 +143,10 @@ void LayerTestCommon::LayerImplTest::AppendQuadsForPassWithOcclusion(
   render_pass_->shared_quad_state_list.clear();
   occlusion_tracker_.set_occluded_target_rect(occluded);
   layer_impl->WillDraw(DRAW_MODE_HARDWARE, resource_provider());
-  layer_impl->AppendQuads(render_pass_.get(), occlusion_tracker_, &data);
+  layer_impl->AppendQuads(render_pass_.get(),
+                          occlusion_tracker_.GetCurrentOcclusionForLayer(

[danakj, 2014/10/07 17:01:23]

ditto

+                              layer_impl->draw_transform()),
+                          &data);
   layer_impl->DidDraw(resource_provider());
 }