Removes most of aura dependencies from DefaultState

ash/ash.gyp

Index: ash/ash.gyp
diff --git a/ash/ash.gyp b/ash/ash.gyp
index c911374acf5c0fdf8ae86bd1c8a4a74ca5d6c216..5e7caf48acc069ba80da4dcdb3a453c66f98cdff 100644
--- a/ash/ash.gyp
+++ b/ash/ash.gyp
@@ -535,8 +535,13 @@
       'wm/aura/wm_window_aura.h',
       'wm/boot_splash_screen_chromeos.cc',
       'wm/boot_splash_screen_chromeos.h',
+      'wm/common/window_animation_types.h',
+      'wm/common/window_parenting_utils.cc',
+      'wm/common/window_parenting_utils.h',
       'wm/common/window_positioning_utils.cc',
       'wm/common/window_positioning_utils.h',
+      'wm/common/window_state_util.cc',
+      'wm/common/window_state_util.h',
       'wm/common/wm_event.cc',
       'wm/common/wm_event.h',
       'wm/common/wm_globals.h',
@@ -550,6 +555,7 @@
       'wm/common/wm_window_observer.h',
       'wm/common/wm_window_property.h',
       'wm/common/workspace/workspace_layout_manager_delegate.h',
+      'wm/common/workspace/workspace_types.h',
       'wm/coordinate_conversion.cc',
       'wm/coordinate_conversion.h',
       'wm/cursor_manager_chromeos.cc',
@@ -682,8 +688,6 @@
       'wm/window_state_delegate.cc',
       'wm/window_state_delegate.h',
       'wm/window_state_observer.h',
-      'wm/window_state_util.cc',
-      'wm/window_state_util.h',
       'wm/window_util.cc',
       'wm/window_util.h',
       'wm/workspace/magnetism_matcher.cc',
@@ -699,7 +703,6 @@
       'wm/workspace/workspace_layout_manager.cc',
       'wm/workspace/workspace_layout_manager.h',
       'wm/workspace/workspace_layout_manager_backdrop_delegate.h',
-      'wm/workspace/workspace_types.h',
       'wm/workspace/workspace_window_resizer.cc',
       'wm/workspace/workspace_window_resizer.h',
       'wm/workspace_controller.cc',