android webview: allow cc to fail hardware draw

cc/scheduler/scheduler.cc

Index: cc/scheduler/scheduler.cc
diff --git a/cc/scheduler/scheduler.cc b/cc/scheduler/scheduler.cc
index a78e629de994661e5ad2b74266223a874a613f06..8a4da219f52f2600b501100c1927db3dbacd5eca 100644
--- a/cc/scheduler/scheduler.cc
+++ b/cc/scheduler/scheduler.cc
@@ -137,6 +137,11 @@ void Scheduler::SetVisible(bool visible) {
   ProcessScheduledActions();
 }
 
+void Scheduler::SetResourcelessSoftareDraw(bool resourceless_draw) {
+  state_machine_.SetResourcelessSoftareDraw(resourceless_draw);
+  ProcessScheduledActions();
+}
+
 void Scheduler::SetCanDraw(bool can_draw) {
   state_machine_.SetCanDraw(can_draw);
   ProcessScheduledActions();