Delete ash-based code for Windows drag-and-drop graphics.

ui/base/BUILD.gn

 # Copyright 2014 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/buildflag_header.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/sanitizers/sanitizers.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//ui/base/ui_features.gni")
@@ skipping 147 matching lines @@
     "default_theme_provider_mac.mm",
     "device_form_factor.h",
     "device_form_factor_android.cc",
     "device_form_factor_desktop.cc",
     "device_form_factor_ios.mm",
     "dragdrop/drag_drop_types.h",
     "dragdrop/drag_drop_types_mac.mm",
     "dragdrop/drag_drop_types_win.cc",
     "dragdrop/drag_source_win.cc",
     "dragdrop/drag_source_win.h",
-    "dragdrop/drag_utils_win.cc",
     "dragdrop/drop_target_event.cc",
     "dragdrop/drop_target_event.h",
     "dragdrop/drop_target_win.cc",
     "dragdrop/drop_target_win.h",
     "dragdrop/os_exchange_data.cc",
     "dragdrop/os_exchange_data.h",
     "dragdrop/os_exchange_data_provider_builder_mac.h",
     "dragdrop/os_exchange_data_provider_builder_mac.mm",
     "dragdrop/os_exchange_data_provider_factory.cc",
     "dragdrop/os_exchange_data_provider_factory.h",
@@ skipping 153 matching lines @@
       "cursor/cursor_util.cc",
       "cursor/cursor_util.h",
       "cursor/cursors_aura.cc",
       "cursor/cursors_aura.h",
       "cursor/image_cursors.cc",
       "cursor/image_cursors.h",
       "default_theme_provider.cc",
       "default_theme_provider.h",
       "dragdrop/cocoa_dnd_util.h",
       "dragdrop/cocoa_dnd_util.mm",
-      "dragdrop/drag_utils.cc",
-      "dragdrop/drag_utils.h",
       "dragdrop/file_info.cc",
       "dragdrop/file_info.h",
       "idle/idle.cc",
       "idle/idle.h",
       "idle/idle_android.cc",
       "idle/idle_chromeos.cc",
       "idle/idle_linux.cc",
       "idle/idle_mac.mm",
       "idle/idle_win.cc",
       "text/bytes_formatting.cc",
@@ skipping 127 matching lines @@
 
   if (use_glib) {
     configs += [ "//build/config/linux:glib" ]
     sources += [
       "glib/glib_integers.h",
       "glib/glib_signal.h",
       "glib/scoped_gobject.h",
     ]
   }
 
-  if (is_linux) {
-    if (!toolkit_views && !use_aura) {
-      sources -= [
-        "dragdrop/drag_utils.cc",
-        "dragdrop/drag_utils.h",
-      ]
-    }
-  }
-
   if (is_chromeos) {
     deps += [ "//chromeos" ]
     sources -= [ "idle/idle_linux.cc" ]
   }
 
   if (is_chromeos || (use_aura && ((is_linux && !use_x11) || is_android))) {
     sources += [
       "dragdrop/os_exchange_data_provider_aura.cc",
       "dragdrop/os_exchange_data_provider_aura.h",
     ]
@@ skipping 89 matching lines @@
 
     libs += [ "jnigraphics" ]
   }
 
   if (is_android && !use_aura) {
     sources -= [
       "cursor/cursor_android.cc",
       "cursor/image_cursors.cc",
       "cursor/image_cursors.h",
       "default_theme_provider.cc",
-      "dragdrop/drag_utils.cc",
-      "dragdrop/drag_utils.h",
       "idle/idle.cc",
       "idle/idle.h",
       "idle/idle_android.cc",
       "l10n/l10n_font_util.cc",
       "models/button_menu_item_model.cc",
       "models/dialog_model.cc",
       "theme_provider.cc",
       "touch/touch_editing_controller.cc",
       "ui_base_types.cc",
     ]
@@ skipping 379 matching lines @@
 if (is_mac) {
   mac_framework_bundle("ui_unittests_framework") {
     testonly = true
     deps = [
       "//ui/resources:ui_test_pak_bundle_data",
     ]
     info_plist = "test/framework-Info.plist"
     output_name = "ui_unittests Framework"
   }
 }