Initialize DBus in mojo:ash on chrome os

ash/mus/window_manager_application.cc

Index: ash/mus/window_manager_application.cc
diff --git a/ash/mus/window_manager_application.cc b/ash/mus/window_manager_application.cc
index f8b18788b7cc885ff0e29e6649ef433b924f6c42..de4bf1290e5ff036c8bde4093631e7cc571c965b 100644
--- a/ash/mus/window_manager_application.cc
+++ b/ash/mus/window_manager_application.cc
@@ -23,11 +23,19 @@
 #include "ui/events/event.h"
 #include "ui/views/mus/aura_init.h"
 
+#if defined(OS_CHROMEOS)
+#include "chromeos/dbus/dbus_thread_manager.h"
+#endif
+
 namespace ash {
 namespace mus {
 
 WindowManagerApplication::WindowManagerApplication()
-    : connector_(nullptr), screenlock_state_listener_binding_(this) {}
+    : connector_(nullptr), screenlock_state_listener_binding_(this) {
+#if defined(OS_CHROMEOS)
+  chromeos::DBusThreadManager::Initialize();

[James Cook, 2016/07/01 23:17:36]

I put this here instead of in WMA::Initialize() because WmTestHelper doesn't
call WMA::Initialize().

+#endif
+}
 
 WindowManagerApplication::~WindowManagerApplication() {
   // AcceleratorRegistrarImpl removes an observer in its destructor. Destroy
@@ -40,6 +48,10 @@ WindowManagerApplication::~WindowManagerApplication() {
   // Destroy the WindowManager while still valid. This way we ensure
   // OnWillDestroyRootWindowController() is called (if it hasn't been already).
   window_manager_.reset();
+
+#if defined(OS_CHROMEOS)
+  chromeos::DBusThreadManager::Shutdown();
+#endif
 }
 
 void WindowManagerApplication::OnAcceleratorRegistrarDestroyed(