mus: Forward user activity from window server to detector.

ui/aura/test/run_all_unittests.cc

Index: ui/aura/test/run_all_unittests.cc
diff --git a/ui/aura/test/run_all_unittests.cc b/ui/aura/test/run_all_unittests.cc
index b27248ccf5be1211d7e9e75aab101df3206ddfc7..f9b7de79ce0c805f06f86096143a12382a16ed8f 100644
--- a/ui/aura/test/run_all_unittests.cc
+++ b/ui/aura/test/run_all_unittests.cc
@@ -6,6 +6,7 @@
 #include "base/macros.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
+#include "mojo/edk/embedder/embedder.h"
 #include "ui/aura/env.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/gl/test/gl_surface_test_support.h"
@@ -34,6 +35,7 @@ class AuraTestSuite : public base::TestSuite {
 int main(int argc, char** argv) {
   AuraTestSuite test_suite(argc, argv);
 
+  mojo::edk::Init();
   return base::LaunchUnitTests(
       argc,
       argv,