mandoline filesystem: Save cookie data to the mojo:filesystem.

mojo/runner/android/main.cc

Index: mojo/runner/android/main.cc
diff --git a/mojo/runner/android/main.cc b/mojo/runner/android/main.cc
index 7435fd9411ea023c06e09ae578230c3ec6c2236c..eed0066e5197210c71a2d7efcf78fa87998c4d1c 100644
--- a/mojo/runner/android/main.cc
+++ b/mojo/runner/android/main.cc
@@ -28,6 +28,7 @@
 #include "mojo/runner/android/ui_application_loader_android.h"
 #include "mojo/runner/context.h"
 #include "mojo/runner/init.h"
+#include "mojo/runner/scoped_user_data_dir.h"
 #include "mojo/shell/application_loader.h"
 #include "ui/gl/gl_surface_egl.h"
 
@@ -52,6 +53,8 @@ class MojoShellRunner : public base::DelegateSimpleThread::Delegate {
  private:
   void Run() override;
 
+  ScopedUserDataDir scoped_user_data_dir_;
+
   DISALLOW_COPY_AND_ASSIGN(MojoShellRunner);
 };