Check SurfaceFactory WeakPtr before dereffing resources.

The SurfaceFactory may have been destroyed earlier, causing this to crash. BUG= Review URL: https://codereview.chromium.org/575223002 Cr-Commit-Position: refs/heads/master@{#295371}
hylschwy · Sep 17, 2014 · 690253e · 690253e
1 parent 7df86c9
commit 690253e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cc/surfaces/surface_aggregator.cc b/cc/surfaces/surface_aggregator.cc
@@ -58,7 +58,8 @@ class SurfaceAggregator::RenderPassIdAllocator {
 static void UnrefHelper(base::WeakPtr<SurfaceFactory> surface_factory,
                         const ReturnedResourceArray& resources,
                         BlockingTaskRunner* main_thread_task_runner) {
-  surface_factory->UnrefResources(resources);
+  if (surface_factory)
+    surface_factory->UnrefResources(resources);
 }
 
 RenderPassId SurfaceAggregator::RemapPassId(RenderPassId surface_local_pass_id,