Wires up WorkspaceLayoutManager in mash

mash/BUILD.gn

Index: mash/BUILD.gn
diff --git a/mash/BUILD.gn b/mash/BUILD.gn
index 81debdf743136eca14f979b4941d71ca8c5858ed..66b62395fc6c93ead9fe6443332a18f2088c8873 100644
--- a/mash/BUILD.gn
+++ b/mash/BUILD.gn
@@ -33,17 +33,26 @@ group("browser") {
 }
 
 test("mash_unittests") {
+  sources = [
+    "test/mash_test_suite.cc",
+    "test/mash_test_suite.h",
+    "test/mash_unittests.cc",
+  ]
   deps = [
     "//base",
-    "//base/test:test_config",
     "//base/test:test_support",
+    "//mash/wm:resources",
     "//mash/wm:unittests",
     "//mojo/platform_handle:platform_handle_impl",
     "//services/shell/background:main",
-    "//services/shell/public/cpp/test:run_all_shelltests",
+    "//ui/aura",
+    "//ui/base",
+    "//ui/compositor:test_support",
+    "//ui/gl:test_support",
   ]
   data_deps = [
     ":unittests_manifest",
+    "//mash/wm:resources",
   ]
 }