Revert of Remove ForceReclaimResources

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 1db4ac8af6aefe238a5e7177ccd45047905a0b84..584eb9b95e73114a6bd8ca300342bff1cf3324e5 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -919,9 +919,6 @@
                                              callback, base::Passed(&result)));
           },
           callback, base::Passed(&main_thread_task_runner)));
-  // Force a redraw to ensure that the copy swap promise isn't cancelled due to
-  // no damage.
-  SetNeedsForcedRedraw();
   layer_tree_host_->QueueSwapPromise(
       delegate_->RequestCopyOfOutputForLayoutTest(std::move(request)));