Add --force-in-process flag to shell.

shell/out_of_process_dynamic_service_runner.cc

Index: shell/out_of_process_dynamic_service_runner.cc
diff --git a/shell/out_of_process_dynamic_service_runner.cc b/shell/out_of_process_dynamic_service_runner.cc
index ebf10a3c2218302e0f3635c93eb3af9853676c30..20572a96699d24de42b137c42c9c2e0214c83e3d 100644
--- a/shell/out_of_process_dynamic_service_runner.cc
+++ b/shell/out_of_process_dynamic_service_runner.cc
@@ -9,6 +9,7 @@
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/scoped_native_library.h"
+#include "shell/in_process_dynamic_service_runner.h"
 
 namespace mojo {
 namespace shell {
@@ -60,5 +61,13 @@ void OutOfProcessDynamicServiceRunner::AppCompleted(int32_t result) {
   app_completed_callback.Run();
 }
 
+scoped_ptr<NativeRunner> OutOfProcessDynamicServiceRunnerFactory::Create(
+    const Options& options) {
+  if (options.force_in_process)
+    return make_scoped_ptr(new InProcessDynamicServiceRunner(context_));
+
+  return make_scoped_ptr(new OutOfProcessDynamicServiceRunner(context_));
+}
+
 }  // namespace shell
 }  // namespace mojo