Cleanup SurfaceVisibility code.

cc/test/test_context_support.cc

Index: cc/test/test_context_support.cc
diff --git a/cc/test/test_context_support.cc b/cc/test/test_context_support.cc
index 55fdee4536b8ef1d7d1853135017679688ee8b21..b871f4da813ce48f9ee91bbc7cf982d2b09e527b 100644
--- a/cc/test/test_context_support.cc
+++ b/cc/test/test_context_support.cc
@@ -40,12 +40,6 @@ void TestContextSupport::SignalQuery(uint32 query,
                             weak_ptr_factory_.GetWeakPtr()));
 }
 
-void TestContextSupport::SetSurfaceVisible(bool visible) {
-  if (!set_visible_callback_.is_null()) {
-    set_visible_callback_.Run(visible);
-  }
-}
-
 void TestContextSupport::SetAggressivelyFreeResources(
     bool aggressively_free_resources) {
 }
@@ -66,11 +60,6 @@ void TestContextSupport::CallAllSyncPointCallbacks() {
   sync_point_callbacks_.clear();
 }
 
-void TestContextSupport::SetSurfaceVisibleCallback(
-    const SurfaceVisibleCallback& set_visible_callback) {
-  set_visible_callback_ = set_visible_callback;
-}
-
 void TestContextSupport::SetScheduleOverlayPlaneCallback(
     const ScheduleOverlayPlaneCallback& schedule_overlay_plane_callback) {
   schedule_overlay_plane_callback_ = schedule_overlay_plane_callback;