Add MemoryCoordinator

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 f859866b27795aadc62590287556e4b35e4f7702..66fc4ef5423b1853855fff03df1c53ecb1ef1660 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -44,6 +44,7 @@
 #include "base/tracked_objects.h"
 #include "build/build_config.h"
 #include "cc/base/switches.h"
+#include "components/memory_coordinator/browser/memory_state_notifier.h"
 #include "components/scheduler/common/scheduler_switches.h"
 #include "components/tracing/common/tracing_switches.h"
 #include "content/browser/appcache/appcache_dispatcher_host.h"
@@ -2561,6 +2562,13 @@ void RenderProcessHostImpl::OnProcessLaunched() {
           child_process_launcher_->GetProcess().Handle());
     }
 
+    if (memory_coordinator::IsEnabled() && mojo_application_host_) {
+      memory_coordinator::mojom::ChildMemoryCoordinatorPtr coordinator;
+      GetRemoteInterfaces()->GetInterface(&coordinator);
+      BrowserMainLoop::GetInstance()->memory_state_notifier()->AddChild(
+          std::move(coordinator));
+    }
+
     // Not all platforms launch processes in the same backgrounded state. Make
     // sure |is_process_backgrounded_| reflects this platform's initial process
     // state.