mash: Exit the root process if the window manager service crashes

chrome/app/mash/BUILD.gn

Index: chrome/app/mash/BUILD.gn
diff --git a/chrome/app/mash/BUILD.gn b/chrome/app/mash/BUILD.gn
index 5473d236762e1bee014d62c6a466bbe57f342d5f..c738779ac4ef8e76e6fe1129b3039962eb768a83 100644
--- a/chrome/app/mash/BUILD.gn
+++ b/chrome/app/mash/BUILD.gn
@@ -16,8 +16,9 @@ source_set("mash") {
     "//base:i18n",
     "//components/tracing:startup_tracing",
     "//content/public/common",
+    "//mash/common",
     "//mash/package",
-    "//mash/session/public/interfaces:constants",
+    "//mash/quick_launch/public/interfaces:constants",
     "//services/catalog/public/interfaces",
     "//services/service_manager",
     "//services/service_manager/background:lib",
@@ -58,7 +59,6 @@ service_manifest("mash_manifest") {
     "//ash/touch_hud/mus:manifest",
     "//mash/catalog_viewer:manifest",
     "//mash/quick_launch:manifest",
-    "//mash/session:manifest",
     "//mash/task_viewer:manifest",
     "//services/ui:manifest",
     "//services/ui/ime/test_ime_driver:manifest",