fix: expose process.getProcessMemoryInfo to sandbox (#17669)

atom/renderer/atom_sandboxed_renderer_client.cc

@@ -158,6 +158,8 @@ void AtomSandboxedRendererClient::InitializeBindings(
   process.SetMethod("hang", AtomBindings::Hang);
   process.SetMethod("getHeapStatistics", &AtomBindings::GetHeapStatistics);
   process.SetMethod("getSystemMemoryInfo", &AtomBindings::GetSystemMemoryInfo);
+  process.SetMethod("getProcessMemoryInfo",
+                    &AtomBindings::GetProcessMemoryInfo);
   process.SetMethod(
       "getCPUUsage",
       base::Bind(&AtomBindings::GetCPUUsage, base::Unretained(metrics_.get())));