mandoline sandbox: prewarm libraries before we raise the sandbox.

mojo/runner/android/main.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/runner/android/main.h"
 
 #include "base/android/fifo_utils.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
@@ skipping 10 matching lines @@
 #include "components/view_manager/android_loader.h"
 #include "jni/ShellMain_jni.h"
 #include "mojo/common/message_pump_mojo.h"
 #include "mojo/runner/android/android_handler_loader.h"
 #include "mojo/runner/android/background_application_loader.h"
 #include "mojo/runner/android/context_init.h"
 #include "mojo/runner/android/ui_application_loader_android.h"
 #include "mojo/runner/child_process.h"
 #include "mojo/runner/context.h"
 #include "mojo/runner/init.h"
+#include "mojo/runner/native_application_support.h"
+#include "mojo/runner/switches.h"
 #include "mojo/shell/application_loader.h"
 #include "ui/gl/gl_surface_egl.h"
 
 using base::LazyInstance;
 
 namespace mojo {
 namespace runner {
 
 namespace {
 
@@ skipping 137 matching lines @@
 }
 
 }  // namespace runner
 }  // namespace mojo
 
 int main(int argc, char** argv) {
   base::AtExitManager at_exit;
   base::CommandLine::Init(argc, argv);
 
   mojo::runner::InitializeLogging();
-  return mojo::runner::ChildProcessMain();
+
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+  CHECK(command_line.HasSwitch(switches::kChildProcess));
+  mojo::shell::NativeApplicationCleanup cleanup =
+      command_line.HasSwitch(switches::kDeleteAfterLoad)
+          ? mojo::shell::NativeApplicationCleanup::DELETE
+          : mojo::shell::NativeApplicationCleanup::DONT_DELETE;
+  base::NativeLibrary app_library = mojo::runner::LoadNativeApplication(
+      command_line.GetSwitchValuePath(switches::kChildProcess), cleanup);
+  return mojo::runner::ChildProcessMain(app_library);
 }