arc: enable Android tracing in verified-boot mode

components/arc/arc_bridge_host_impl.cc

Index: components/arc/arc_bridge_host_impl.cc
diff --git a/components/arc/arc_bridge_host_impl.cc b/components/arc/arc_bridge_host_impl.cc
index 94e558985ae12a6a58b9245d9dd0ce197672afc9..aed98fccf45fcf5296cf66b26a844cde30e0ae22 100644
--- a/components/arc/arc_bridge_host_impl.cc
+++ b/components/arc/arc_bridge_host_impl.cc
@@ -200,6 +200,11 @@ void ArcBridgeHostImpl::OnWallpaperInstanceReady(
                   std::move(wallpaper_ptr));
 }
 
+void ArcBridgeHostImpl::OnTraceInstanceReady(

[Yusuke Sato, 2016/10/12 05:58:12]

sort

[shunhsingou, 2016/12/22 04:04:34]

Removed

+    mojom::TraceInstancePtr trace_ptr) {
+  OnInstanceReady(ArcBridgeService::Get()->trace(), std::move(trace_ptr));
+}
+
 void ArcBridgeHostImpl::OnClosed() {
   DCHECK(thread_checker_.CalledOnValidThread());
   VLOG(1) << "Mojo connection lost";