Add MemoryCoordinatorDelegate

content/public/browser/content_browser_client.cc

Index: content/public/browser/content_browser_client.cc
diff --git a/content/public/browser/content_browser_client.cc b/content/public/browser/content_browser_client.cc
index c6a2bec8ef8025b9e882e729dd5366b623e9f8a7..5ebc017083ff8656d54fc00608e9b6cbb60b50e8 100644
--- a/content/public/browser/content_browser_client.cc
+++ b/content/public/browser/content_browser_client.cc
@@ -8,6 +8,7 @@
 #include "base/guid.h"
 #include "build/build_config.h"
 #include "content/public/browser/client_certificate_delegate.h"
+#include "content/public/browser/memory_coordinator_delegate.h"
 #include "content/public/browser/navigation_ui_data.h"
 #include "content/public/browser/vpn_service_proxy.h"
 #include "content/public/common/sandbox_type.h"
@@ -424,4 +425,9 @@ std::unique_ptr<base::Value> ContentBrowserClient::GetServiceManifestOverlay(
   return nullptr;
 }
 
+std::unique_ptr<MemoryCoordinatorDelegate>
+ContentBrowserClient::GetMemoryCoordinatorDelegate() {
+  return std::unique_ptr<MemoryCoordinatorDelegate>();
+}
+
 }  // namespace content