Simplify WindowManager::OnWmSetBounds

ui/aura/test/aura_test_base.cc

Index: ui/aura/test/aura_test_base.cc
diff --git a/ui/aura/test/aura_test_base.cc b/ui/aura/test/aura_test_base.cc
index aeb8223c2e4d280184f17c232d0513ef1d1e1e40..717386c9e19f126930e826ce0c0960a5b9d77a09 100644
--- a/ui/aura/test/aura_test_base.cc
+++ b/ui/aura/test/aura_test_base.cc
@@ -157,9 +157,7 @@ void AuraTestBase::OnPointerEventObserved(const ui::PointerEvent& event,
 
 void AuraTestBase::SetWindowManagerClient(WindowManagerClient* client) {}
 
-bool AuraTestBase::OnWmSetBounds(Window* window, gfx::Rect* bounds) {
-  return true;
-}
+void AuraTestBase::OnWmSetBounds(Window* window, gfx::Rect* bounds) {}
 
 bool AuraTestBase::OnWmSetProperty(
     Window* window,