Make wm_flow_init work with gn

mojo/services/window_manager/BUILD.gn

Index: mojo/services/window_manager/BUILD.gn
diff --git a/mojo/services/window_manager/BUILD.gn b/mojo/services/window_manager/BUILD.gn
index 02f3a8eabf75c8ce57a7d37cb07007be81761500..98a8b369da15633230875f34737ab0223bd73323 100644
--- a/mojo/services/window_manager/BUILD.gn
+++ b/mojo/services/window_manager/BUILD.gn
@@ -40,21 +40,18 @@ source_set("lib") {
   ]
   deps = [
     "//base",
+    "//ui/base",
+    "//ui/gfx",
+    "//ui/gfx/geometry",
+    "//ui/wm",
+    "//mojo/aura",
     "//mojo/application",
     "//mojo/common",
     "//mojo/converters/input_events",
-    "//mojo/environment:chromium",
-    "//mojo/public/cpp/bindings",
-    "//mojo/public/interfaces/application:application",
     "//mojo/services/public/cpp/view_manager",
+    "//mojo/public/interfaces/application:application",
     "//mojo/services/public/interfaces/window_manager",
     "//mojo/services/public/interfaces/window_manager2",
-    "//ui/aura",
-    "//ui/base",
-    "//ui/events",
-    "//ui/gfx",
-    "//ui/gfx/geometry",
-    "//ui/wm",
   ]
 }