mandoline sandbox: prewarm libraries before we raise the sandbox.

mojo/runner/child_process.h

Index: mojo/runner/child_process.h
diff --git a/mojo/runner/child_process.h b/mojo/runner/child_process.h
index 2b94301fa8de30f89f7b2a52ed3334e78d2f636c..9cf3ccf3da4a516f716e1c83cddb5a9029f40d0c 100644
--- a/mojo/runner/child_process.h
+++ b/mojo/runner/child_process.h
@@ -5,11 +5,13 @@
 #ifndef MOJO_RUNNER_CHILD_PROCESS_H_
 #define MOJO_RUNNER_CHILD_PROCESS_H_
 
+#include "base/native_library.h"
+
 namespace mojo {
 namespace runner {
 
 // Main method for a child process.
-int ChildProcessMain();
+int ChildProcessMain(base::NativeLibrary app_library);
 
 }  // namespace runner
 }  // namespace mojo