Do not show the activity widget in ActivityManager::AddActivity

athena/resource_manager/resource_manager_impl.cc

Index: athena/resource_manager/resource_manager_impl.cc
diff --git a/athena/resource_manager/resource_manager_impl.cc b/athena/resource_manager/resource_manager_impl.cc
index 8e10cb8b8b3fbc8015d5763bb9bf6d6dcf2949ea..ad9b43a3edf94671440ae34fb2e79e8c4901e574 100644
--- a/athena/resource_manager/resource_manager_impl.cc
+++ b/athena/resource_manager/resource_manager_impl.cc
@@ -22,6 +22,7 @@
 #include "ui/aura/window.h"
 
 namespace athena {
+namespace {
 
 class ResourceManagerImpl : public ResourceManager,
                             public WindowManagerObserver,
@@ -418,7 +419,7 @@ void ResourceManagerImpl::UpdateActivityOrder() {
     return;
   std::vector<Activity*> new_activity_list;
   const aura::Window::Windows children =
-      activity_list_[0]->GetWindow()->parent()->children();
+      WindowManager::GetInstance()->GetWindowListProvider()->GetWindowList();
   // Find the first window in the container which is part of the application.
   for (aura::Window::Windows::const_reverse_iterator child_iterator =
          children.rbegin();
@@ -459,6 +460,8 @@ bool ResourceManagerImpl::AllowedToUnloadActivity() {
          base::Time::Now() >= next_resource_management_time_;
 }
 
+}  // namespace
+
 // static
 void ResourceManager::Create() {
   DCHECK(!instance);