Fix use of uninitialized memory in animator (flutter#22714)

brianosman · web-flow · commit 298bf68b1008 · 2020-11-24T14:51:31.000-05:00
* Fix use of uninitialized memory in animator

Discovered via MSAN build of embedder_unittests
diff --git a/shell/common/animator.h b/shell/common/animator.h
@@ -108,7 +108,7 @@ class Animator final {
   bool frame_scheduled_;
   int notify_idle_task_id_;
   bool dimension_change_pending_;
-  SkISize last_layer_tree_size_;
+  SkISize last_layer_tree_size_ = {0, 0};
   std::deque<uint64_t> trace_flow_ids_;
 
   fml::WeakPtrFactory<Animator> weak_factory_;
