[NotForReview] An idea for experimenting purge & suspend

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 6fd7aca5d1f3dd97caedf06ff37c31f0d2452246..e57077db3b90add05f30ac3607b895c9ca971ed4 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1265,7 +1265,7 @@ void RenderProcessHostImpl::RegisterMojoInterfaces() {
       base::Bind(&BroadcastChannelProvider::Connect,
                  base::Unretained(
                      storage_partition_impl_->GetBroadcastChannelProvider())));
-  if (base::FeatureList::IsEnabled(features::kMemoryCoordinator)) {
+  if (MemoryCoordinator::IsEnabled()) {
     AddUIThreadInterface(
         registry.get(), base::Bind(&CreateMemoryCoordinatorHandle, GetID()));
   }
@@ -1434,7 +1434,11 @@ bool RenderProcessHostImpl::IsWorkerRefCountDisabled() {
 }
 
 void RenderProcessHostImpl::PurgeAndSuspend() {
-  Send(new ChildProcessMsg_PurgeAndSuspend());
+  if (base::FeatureList::IsEnabled(features::kPurgeAndSuspend)) {
+    MemoryCoordinator::GetInstance()->PurgeAndSuspendChild(GetID());
+  } else {
+    Send(new ChildProcessMsg_PurgeAndSuspend());
+  }
 }
 
 mojom::RouteProvider* RenderProcessHostImpl::GetRemoteRouteProvider() {