Makes ash/wm/common a library

ash/wm/common/BUILD.gn

Index: ash/wm/common/BUILD.gn
diff --git a/ash/wm/common/BUILD.gn b/ash/wm/common/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..316048ed9519ed668f3aef0e5364d6711cc9679e
--- /dev/null
+++ b/ash/wm/common/BUILD.gn
@@ -0,0 +1,135 @@
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import("//build/config/features.gni")
+import("//build/config/ui.gni")
+import("//testing/test.gni")
+import("//ui/base/ui_features.gni")
+
+assert(use_aura)
+assert(enable_hidpi)
+
+component("ash_wm_common") {

[James Cook, 2016/05/03 18:43:10]

optional: Maybe document the purpose of this build target (specifically that
it's trying to avoid aura::Window dependencies, despite assert(use_aura) above)?

[sky, 2016/05/03 19:10:06]

Done.

+  sources = [
+    "always_on_top_controller.cc",
+    "always_on_top_controller.h",
+    "background_animator.cc",
+    "background_animator.h",
+    "default_state.cc",
+    "default_state.h",
+    "default_window_resizer.cc",
+    "default_window_resizer.h",
+    "dock/docked_window_layout_manager.cc",
+    "dock/docked_window_layout_manager.h",
+    "dock/docked_window_layout_manager_observer.h",
+    "dock/docked_window_resizer.cc",
+    "dock/docked_window_resizer.h",
+    "drag_details.cc",
+    "drag_details.h",
+    "fullscreen_window_finder.cc",
+    "fullscreen_window_finder.h",
+    "panels/panel_layout_manager.cc",
+    "panels/panel_layout_manager.h",
+    "panels/panel_window_resizer.cc",
+    "panels/panel_window_resizer.h",
+    "root_window_finder.cc",
+    "root_window_finder.h",
+    "shelf/wm_shelf.h",
+    "shelf/wm_shelf_constants.cc",
+    "shelf/wm_shelf_constants.h",
+    "shelf/wm_shelf_observer.h",
+    "shelf/wm_shelf_types.h",
+    "shelf/wm_shelf_util.cc",
+    "shelf/wm_shelf_util.h",
+    "switchable_windows.cc",
+    "switchable_windows.h",
+    "window_animation_types.h",
+    "window_parenting_utils.cc",
+    "window_parenting_utils.h",
+    "window_positioner.cc",
+    "window_positioner.h",
+    "window_positioning_utils.cc",
+    "window_positioning_utils.h",
+    "window_resizer.cc",
+    "window_resizer.h",
+    "window_state.cc",
+    "window_state.h",
+    "window_state_delegate.cc",
+    "window_state_delegate.h",
+    "window_state_observer.h",
+    "window_state_util.cc",
+    "window_state_util.h",
+    "wm_activation_observer.h",
+    "wm_display_observer.h",
+    "wm_event.cc",
+    "wm_event.h",
+    "wm_globals.cc",
+    "wm_globals.h",
+    "wm_layout_manager.h",
+    "wm_lookup.cc",
+    "wm_lookup.h",
+    "wm_overview_mode_observer.h",
+    "wm_root_window_controller.h",
+    "wm_root_window_controller_observer.h",
+    "wm_screen_util.cc",
+    "wm_screen_util.h",
+    "wm_snap_to_pixel_layout_manager.cc",
+    "wm_snap_to_pixel_layout_manager.h",
+    "wm_types.cc",
+    "wm_types.h",
+    "wm_user_metrics_action.h",
+    "wm_window.h",
+    "wm_window_observer.h",
+    "wm_window_property.h",
+    "wm_window_tracker.h",
+    "workspace/magnetism_matcher.cc",
+    "workspace/magnetism_matcher.h",
+    "workspace/multi_window_resize_controller.cc",
+    "workspace/multi_window_resize_controller.h",
+    "workspace/phantom_window_controller.cc",
+    "workspace/phantom_window_controller.h",
+    "workspace/two_step_edge_cycler.cc",
+    "workspace/two_step_edge_cycler.h",
+    "workspace/workspace_layout_manager.cc",
+    "workspace/workspace_layout_manager.h",
+    "workspace/workspace_layout_manager_backdrop_delegate.h",
+    "workspace/workspace_layout_manager_delegate.h",
+    "workspace/workspace_types.h",
+    "workspace/workspace_window_resizer.cc",
+    "workspace/workspace_window_resizer.h",
+  ]
+
+  configs += [ "//build/config:precompiled_headers" ]
+
+  defines = [ "ASH_WM_COMMON_IMPLEMENTATION" ]
+
+  public_deps = [
+    "//ash/resources",
+    "//ash/strings",
+  ]
+  deps = [
+    "//ash/resources",
+    "//base",
+    "//skia",
+
+    # TODO(sky): remove aura dependencies. Currently the usage is for
+    # aura/client code, and not aura::Window, but it would be nice to remove
+    # this entirely.
+    "//ui/aura",
+    "//ui/base",
+    "//ui/compositor",
+    "//ui/display",
+    "//ui/events",
+    "//ui/gfx",
+    "//ui/gfx/geometry",
+    "//ui/keyboard",
+    "//ui/views",
+    "//ui/wm",
+  ]
+
+  if (is_win) {
+    # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+    configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
+  }
+}