It is time.

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/config/ui.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 declare_args() {
   ui_base_build_ime = true
 }
 
 component("base") {
   output_name = "ui_base"
   sources = [
-    "accelerators/accelerator.cc",
-    "accelerators/accelerator.h",
-    "accelerators/accelerator_manager.cc",
-    "accelerators/accelerator_manager.h",
-    "accelerators/menu_label_accelerator_util_linux.cc",
-    "accelerators/menu_label_accelerator_util_linux.h",
-    "accelerators/platform_accelerator.h",
     "android/system_ui_resource_manager.h",
     "android/ui_base_jni_registrar.cc",
     "android/ui_base_jni_registrar.h",
     "android/view_android.cc",
     "android/view_android.h",
     "android/window_android.cc",
     "android/window_android.h",
     "android/window_android_compositor.h",
     "android/window_android_observer.h",
-    "base_window.cc",
-    "base_window.h",
-    "clipboard/clipboard.cc",
-    "clipboard/clipboard.h",
-    "clipboard/clipboard_android.cc",
-    "clipboard/clipboard_android.h",
-    "clipboard/clipboard_constants.cc",
-    "clipboard/clipboard_mac.h",
-    "clipboard/clipboard_mac.mm",
-    "clipboard/clipboard_types.h",
-    "clipboard/clipboard_util_win.cc",
-    "clipboard/clipboard_util_win.h",
-    "clipboard/clipboard_win.cc",
-    "clipboard/clipboard_win.h",
-    "clipboard/custom_data_helper.cc",
-    "clipboard/custom_data_helper.h",
-    "clipboard/custom_data_helper_linux.cc",
-    "clipboard/custom_data_helper_mac.mm",
-    "clipboard/scoped_clipboard_writer.cc",
-    "clipboard/scoped_clipboard_writer.h",
     "cursor/cursor.cc",
     "cursor/cursor.h",
     "cursor/cursor_android.cc",
     "cursor/cursor_loader.h",
     "cursor/cursor_util.cc",
     "cursor/cursor_util.h",
     "cursor/cursor_win.cc",
-    "cursor/cursors_aura.cc",
-    "cursor/cursors_aura.h",
-    "cursor/image_cursors.cc",
-    "cursor/image_cursors.h",
-    "default_theme_provider.cc",
-    "default_theme_provider.h",
-    "default_theme_provider_mac.mm",
-    "dragdrop/drag_drop_types.h",
-    "dragdrop/drag_drop_types_win.cc",
-    "dragdrop/drag_source_win.cc",
-    "dragdrop/drag_source_win.h",
-    "dragdrop/drag_utils.cc",
-    "dragdrop/drag_utils.h",
-    "dragdrop/drag_utils_aura.cc",
-    "dragdrop/drag_utils_mac.mm",
-    "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/file_info.cc",
-    "dragdrop/file_info.h",
-    "dragdrop/os_exchange_data.cc",
-    "dragdrop/os_exchange_data.h",
-    "dragdrop/os_exchange_data_provider_mac.h",
-    "dragdrop/os_exchange_data_provider_mac.mm",
-    "dragdrop/os_exchange_data_provider_win.cc",
-    "dragdrop/os_exchange_data_provider_win.h",
     "hit_test.h",
     "l10n/formatter.cc",
     "l10n/formatter.h",
     "l10n/l10n_font_util.cc",
     "l10n/l10n_font_util.h",
     "l10n/l10n_util.cc",
     "l10n/l10n_util.h",
     "l10n/l10n_util_android.cc",
     "l10n/l10n_util_android.h",
     "l10n/l10n_util_collator.h",
     "l10n/l10n_util_mac.h",
     "l10n/l10n_util_mac.mm",
     "l10n/l10n_util_plurals.cc",
     "l10n/l10n_util_plurals.h",
     "l10n/l10n_util_posix.cc",
     "l10n/l10n_util_win.cc",
     "l10n/l10n_util_win.h",
     "l10n/time_format.cc",
     "l10n/time_format.h",
     "layout.cc",
     "layout.h",
     "layout_mac.mm",
-    "models/button_menu_item_model.cc",
-    "models/button_menu_item_model.h",
-    "models/combobox_model.cc",
-    "models/combobox_model.h",
-    "models/combobox_model_observer.h",
-    "models/dialog_model.cc",
-    "models/dialog_model.h",
-    "models/list_model.h",
-    "models/list_model_observer.h",
-    "models/list_selection_model.cc",
-    "models/list_selection_model.h",
-    "models/menu_model.cc",
-    "models/menu_model.h",
-    "models/menu_model_delegate.h",
-    "models/menu_separator_types.h",
-    "models/simple_combobox_model.cc",
-    "models/simple_combobox_model.h",
-    "models/simple_menu_model.cc",
-    "models/simple_menu_model.h",
-    "models/table_model.cc",
-    "models/table_model.h",
-    "models/table_model_observer.h",
-    "models/tree_model.cc",
-    "models/tree_model.h",
-    "models/tree_node_iterator.h",
-    "models/tree_node_model.h",
-    "nine_image_painter_factory.cc",
-    "nine_image_painter_factory.h",
     "resource/data_pack.cc",
     "resource/data_pack.h",
     "resource/resource_bundle.cc",
     "resource/resource_bundle.h",
     "resource/resource_bundle_android.cc",
     "resource/resource_bundle_auralinux.cc",
     "resource/resource_bundle_ios.mm",
     "resource/resource_bundle_mac.mm",
     "resource/resource_bundle_win.cc",
     "resource/resource_bundle_win.h",
     "resource/resource_data_dll_win.cc",
     "resource/resource_data_dll_win.h",
     "resource/resource_handle.h",
     "text/bytes_formatting.cc",
     "text/bytes_formatting.h",
-    "theme_provider.cc",
-    "theme_provider.h",
     "touch/touch_device.h",
-    "touch/touch_editing_controller.cc",
-    "touch/touch_editing_controller.h",
     "touch/touch_enabled.cc",
     "touch/touch_enabled.h",
     "ui_base_export.h",
-    "ui_base_exports.cc",
     "ui_base_paths.cc",
     "ui_base_paths.h",
     "ui_base_switches.cc",
     "ui_base_switches.h",
     "ui_base_switches_util.cc",
     "ui_base_switches_util.h",
     "ui_base_types.cc",
     "ui_base_types.h",
     "view_prop.cc",
     "view_prop.h",
@@ skipping 26 matching lines @@
     "win/touch_input.cc",
     "win/touch_input.h",
     "win/window_event_target.cc",
     "win/window_event_target.h",
   ]
 
   if (is_win) {
     sources += [ "touch/touch_device_win.cc" ]
   } else if (is_android) {
     sources += [ "touch/touch_device_android.cc" ]
-  } else if (use_ozone) {
-    sources += [ "touch/touch_device_ozone.cc" ]
   } else if (use_aura && use_x11) {
     sources += [ "touch/touch_device_aurax11.cc" ]
   } else {
     # Empty implementation for all other cases.
     sources += [ "touch/touch_device.cc" ]
   }
 
   defines = [ "UI_BASE_IMPLEMENTATION" ]
 
   public_deps = [
     "//base",
     "//skia",
     "//ui/events/platform",
     "//ui/events:events_base",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
   deps = [
     "//base/third_party/dynamic_annotations",
     "//base:base_static",
     "//base:i18n",
     "//net",
     "//third_party/icu",
     "//ui/resources",
     "//ui/strings",
     "//url",
   ]
 
-  if (ui_base_build_ime) {
-    if (!is_android) {
-      deps += [ "//ui/events" ]
-    }
-
-    sources += [
-      "ime/candidate_window.cc",
-      "ime/candidate_window.h",
-      "ime/chromeos/character_composer.cc",
-      "ime/chromeos/character_composer.h",
-      "ime/chromeos/ime_bridge.cc",
-      "ime/chromeos/ime_bridge.h",
-      "ime/chromeos/ime_keymap.cc",
-      "ime/chromeos/ime_keymap.h",
-      "ime/chromeos/mock_ime_candidate_window_handler.cc",
-      "ime/chromeos/mock_ime_candidate_window_handler.h",
-      "ime/chromeos/mock_ime_engine_handler.cc",
-      "ime/chromeos/mock_ime_engine_handler.h",
-      "ime/chromeos/mock_ime_input_context_handler.cc",
-      "ime/chromeos/mock_ime_input_context_handler.h",
-      "ime/composition_text.cc",
-      "ime/composition_text.h",
-      "ime/composition_text_util_pango.cc",
-      "ime/composition_text_util_pango.h",
-      "ime/composition_underline.h",
-      "ime/dummy_input_method_delegate.cc",
-      "ime/dummy_input_method_delegate.h",
-      "ime/infolist_entry.cc",
-      "ime/infolist_entry.h",
-      "ime/input_method.h",
-      "ime/input_method_auralinux.cc",
-      "ime/input_method_auralinux.h",
-      "ime/input_method_base.cc",
-      "ime/input_method_base.h",
-      "ime/input_method_chromeos.cc",
-      "ime/input_method_chromeos.h",
-      "ime/input_method_delegate.h",
-      "ime/input_method_factory.cc",
-      "ime/input_method_factory.h",
-      "ime/input_method_initializer.cc",
-      "ime/input_method_initializer.h",
-      "ime/input_method_mac.h",
-      "ime/input_method_mac.mm",
-      "ime/input_method_minimal.cc",
-      "ime/input_method_minimal.h",
-      "ime/input_method_observer.h",
-      "ime/input_method_win.cc",
-      "ime/input_method_win.h",
-      "ime/linux/fake_input_method_context.cc",
-      "ime/linux/fake_input_method_context.h",
-      "ime/linux/fake_input_method_context_factory.cc",
-      "ime/linux/fake_input_method_context_factory.h",
-      "ime/linux/linux_input_method_context.h",
-      "ime/linux/linux_input_method_context_factory.cc",
-      "ime/linux/linux_input_method_context_factory.h",
-      "ime/mock_input_method.cc",
-      "ime/mock_input_method.h",
-      "ime/remote_input_method_delegate_win.h",
-      "ime/remote_input_method_win.cc",
-      "ime/remote_input_method_win.h",
-      "ime/text_input_client.cc",
-      "ime/text_input_client.h",
-      "ime/text_input_focus_manager.cc",
-      "ime/text_input_focus_manager.h",
-      "ime/text_input_type.h",
-      "ime/win/imm32_manager.cc",
-      "ime/win/imm32_manager.h",
-      "ime/win/tsf_input_scope.cc",
-      "ime/win/tsf_input_scope.h",
-    ]
-
-    if (!use_aura || (!is_linux && !use_ozone)) {
-      sources -= [
-        "ime/input_method_auralinux.cc",
-        "ime/input_method_auralinux.h",
-      ]
-    }
-
-    if (!toolkit_views && !use_aura) {
-      sources -= [
-        "ime/input_method_factory.cc",
-        "ime/input_method_factory.h",
-        "ime/input_method_minimal.cc",
-        "ime/input_method_minimal.h",
-      ]
-    }
-
-    if (is_chromeos) {
-      deps += [ "//chromeos" ]
-    }
-
-    if (use_pango) {
-      configs += [ "//build/config/linux:pangocairo" ]
-    } else {
-      sources -= [
-        "ime/composition_text_util_pango.cc",
-        "ime/composition_text_util_pango.h",
-      ]
-    }
-  }
-
-  if (toolkit_views) {
-    deps += [ "//ui/events" ]
-  }
-
-  if (use_x11 && use_aura) {
-    sources += [
-      "x/selection_owner.cc",
-      "x/selection_owner.h",
-      "x/selection_requestor.cc",
-      "x/selection_requestor.h",
-      "x/selection_utils.cc",
-      "x/selection_utils.h",
-    ]
-  }
-
   if (use_aura) {
     deps += [ "//ui/events" ]
   } else {
     sources -= [
       "cursor/cursor.cc",
       "cursor/cursor.h",
-      "dragdrop/drag_utils_aura.cc",
     ]
   }
   if (use_x11) {
     sources += [
       "x/x11_foreign_window_manager.cc",
       "x/x11_foreign_window_manager.h",
       "x/x11_menu_list.cc",
       "x/x11_menu_list.h",
       "x/x11_util.cc",
       "x/x11_util.h",
       "x/x11_util_internal.h",
     ]
     deps += [ "//ui/gfx/x" ]
   }
 
   if (!use_aura || !is_linux) {
     sources -= [ "resource/resource_bundle_auralinux.cc" ]
   }
 
-  if (use_aura && is_win) {
-    sources -= [ "dragdrop/drag_utils_aura.cc" ]
-  }
-
   if (is_linux) {
     configs += [
       "//build/config/linux:fontconfig",
       "//build/config/linux:glib",
     ]
   }
 
-  if ((is_linux && !is_chromeos) || is_chromeos) {
-    if (!toolkit_views && !use_aura) {
-      sources -= [
-        "dragdrop/drag_utils.cc",
-        "dragdrop/drag_utils.h",
-      ]
-    }
-  }
-
-  if (is_chromeos || (use_aura && is_linux && !use_x11)) {
-    sources += [
-      "dragdrop/os_exchange_data_provider_aura.cc",
-      "dragdrop/os_exchange_data_provider_aura.h",
-    ]
-  }
-
   libs = []
   if (is_win) {
     sources += [
       "cursor/cursor_loader_win.cc",
       "cursor/cursor_loader_win.h",
     ]
     cflags = [
       "/wd4267",  # TODO(jschuh): C4267: http://crbug.com/167187 size_t -> int.
       "/wd4324",  # Structure was padded due to __declspec(align()), which is
                   # uninteresting.
     ]
     ldflags = [
       "/DELAYLOAD:d2d1.dll",
       "/DELAYLOAD:d3d10_1.dll",
       "/DELAYLOAD:dwmapi.dll",
     ]
     libs += [
       "d2d1.lib",
       "d3d10_1.lib",
       "dwmapi.lib",
       "imm32.lib",
       "d2d1.lib",
       "dwmapi.lib",
       "oleacc.lib",
     ]
   } else {
-    if (!use_aura) {
-      sources -= [
-        "view_prop.cc",
-        "view_prop.h",
-      ]
-    }
+    sources -= [
+      "view_prop.cc",
+      "view_prop.h",
+    ]
   }
 
   if (is_mac) {
     deps += [ "//third_party/mozilla" ]
 
-    sources -= [
-      "cursor/image_cursors.cc",
-      "cursor/image_cursors.h",
-      "dragdrop/drag_utils.cc",
-      "dragdrop/drag_utils.h",
-    ]
-
     libs += [
       "Accelerate.framework",
       "AudioUnit.framework",
       "CoreVideo.framework",
     ]
   }
 
   if (use_x11) {
     #'all_dependent_settings': {
     #'ldflags': [
     #'-L<(PRODUCT_DIR)',
     #],
     #},
     configs += [ "//build/config/linux:x11" ]
   }
 
-  if (use_aura) {
-    if (use_x11) {
-      sources += [
-        "cursor/cursor_loader_x11.cc",
-        "cursor/cursor_loader_x11.h",
-        "cursor/cursor_x11.cc",
-      ]
-      if (!is_chromeos) {
-        # These Aura X11 files aren't used on ChromeOS.
-        sources += [
-          "dragdrop/os_exchange_data_provider_aurax11.cc",
-          "dragdrop/os_exchange_data_provider_aurax11.h",
-        ]
-      }
-    }
-  }
-  if (use_ozone) {
+  if (use_x11) {
     sources += [
-      "cursor/cursor_loader_ozone.cc",
-      "cursor/cursor_loader_ozone.h",
-      "cursor/cursor_ozone.cc",
-      "cursor/ozone/bitmap_cursor_factory_ozone.cc",
-      "cursor/ozone/bitmap_cursor_factory_ozone.h",
-    ]
-
-    deps += [ "//ui/ozone:ozone_base" ]
-  }
-
-  if (!toolkit_views) {
-    sources -= [
-      "dragdrop/drag_drop_types.h",
-      "dragdrop/drop_target_event.cc",
-      "dragdrop/drop_target_event.h",
-      "dragdrop/os_exchange_data.cc",
-      "dragdrop/os_exchange_data.h",
-      "nine_image_painter_factory.cc",
-      "nine_image_painter_factory.h",
+      "cursor/cursor_loader_x11.cc",
+      "cursor/cursor_loader_x11.h",
+      "cursor/cursor_x11.cc",
     ]
   }
 
   if (is_android) {
     sources -= [
-      "default_theme_provider.cc",
-      "dragdrop/drag_utils.cc",
-      "dragdrop/drag_utils.h",
       "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",
     ]
 
     deps += [ ":ui_base_jni_headers" ]
 
     libs += [ "jnigraphics" ]
   }
 
   if (is_android && is_android_webview_build) {
     deps += [
       #TODO(GYP): port this component to GN.
       #"//ui/android:ui_java",
     ]
   }
 
   if (is_android && !use_aura) {
     sources -= [ "cursor/cursor_android.cc" ]
   }
-
-  # Aura clipboard.
-  if (use_aura) {
-    if (use_x11) {
-      sources += [ "clipboard/clipboard_aurax11.cc" ]
-    } else if (!is_win) {
-      # This file is used for all non-X11, non-Windows aura Builds.
-      sources += [ "clipboard/clipboard_aura.cc" ]
-    }
-  }
-}
-
-source_set("test_support") {
-  testonly = true
-  sources = [
-    "test/ui_controls.h",
-    "test/ui_controls_aura.cc",
-    "test/ui_controls_internal_win.cc",
-    "test/ui_controls_internal_win.h",
-    "test/ui_controls_mac.mm",
-    "test/ui_controls_win.cc",
-  ]
-
-  public_deps = [
-    ":base",
-  ]
-  deps = [
-    "//base",
-    "//skia",
-    "//testing/gtest",
-    "//ui/events:events_base",
-    "//ui/gfx",
-    "//ui/gfx/geometry",
-  ]
-
-  if (ui_base_build_ime) {
-    sources += [
-      "ime/dummy_input_method.cc",
-      "ime/dummy_input_method.h",
-      "ime/dummy_text_input_client.cc",
-      "ime/dummy_text_input_client.h",
-    ]
-  }
 }
 
 if (is_android) {
   generate_jni("ui_base_jni_headers") {
     sources = [
-      "../android/java/src/org/chromium/ui/base/Clipboard.java",
       "../android/java/src/org/chromium/ui/base/DeviceFormFactor.java",
       "../android/java/src/org/chromium/ui/base/LocalizationUtils.java",
       "../android/java/src/org/chromium/ui/base/ResourceBundle.java",
       "../android/java/src/org/chromium/ui/base/SelectFileDialog.java",
       "../android/java/src/org/chromium/ui/base/TouchDevice.java",
       "../android/java/src/org/chromium/ui/base/ViewAndroid.java",
       "../android/java/src/org/chromium/ui/base/WindowAndroid.java",
     ]
     jni_package = "base"
   }
@@ skipping 19 matching lines @@
         "models/tree_node_iterator_unittest.cc",
         "resource/data_pack_literal.cc",
         "resource/data_pack_unittest.cc",
         "resource/resource_bundle_unittest.cc",
         "test/run_all_unittests.cc",
       ]
 
       sources += [
         "accelerators/accelerator_manager_unittest.cc",
         "accelerators/menu_label_accelerator_util_linux_unittest.cc",
-        "clipboard/custom_data_helper_unittest.cc",
-        "dragdrop/os_exchange_data_provider_aurax11_unittest.cc",
         "models/list_model_unittest.cc",
         "models/list_selection_model_unittest.cc",
         "models/tree_node_model_unittest.cc",
         "test/data/resource.h",
         "text/bytes_formatting_unittest.cc",
         "view_prop_unittest.cc",
-        "x/selection_requestor_unittest.cc",
       ]
 
-      if (!use_x11) {
-        if (is_chromeos) {
-          # These were already removed in the chromeos case.
-          sources -= [
-            "ime/chromeos/character_composer_unittest.cc",
-            "ime/input_method_chromeos_unittest.cc",
-          ]
-        }
-      }
-
-      if (ui_base_build_ime) {
-        sources += [
-          "ime/candidate_window_unittest.cc",
-          "ime/chromeos/character_composer_unittest.cc",
-          "ime/input_method_base_unittest.cc",
-          "ime/input_method_chromeos_unittest.cc",
-          "ime/remote_input_method_win_unittest.cc",
-          "ime/win/imm32_manager_unittest.cc",
-          "ime/win/tsf_input_scope_unittest.cc",
-        ]
-        if (use_x11) {
-          sources += [ "ime/composition_text_util_pango_unittest.cc" ]
-        }
-      }
-
       deps = [
         "//base",
         "//base/allocator",
         "//base/test:test_support",
         "//net",
         "//skia",
         "//testing/gmock",
         "//testing/gtest",
         "//third_party/icu",
         "//ui/base",
-        "//ui/base:test_support",
         "//ui/events:events_base",
         "//ui/events:test_support",
         "//ui/gfx:test_support",
         "//ui/resources",
         "//ui/resources:ui_test_pak",
         "//ui/strings",
         "//url",
       ]
 
       if (is_win) {
         sources += [
-          "dragdrop/os_exchange_data_win_unittest.cc",
           "win/hwnd_subclass_unittest.cc",
           "win/open_file_name_win_unittest.cc",
         ]
 
         ldflags = [
           "/DELAYLOAD:d2d1.dll",
           "/DELAYLOAD:d3d10_1.dll",
         ]
         libs = [
           "d2d1.lib",
@@ skipping 35 matching lines @@
         sources -= [ "view_prop_unittest.cc" ]
       }
 
       if (is_mac) {
         deps += [
           "//third_party/mozilla",
           #'ui_unittests_bundle',  TODO(GYP)
         ]
       }
 
-      if (use_aura || toolkit_views) {
-        sources += [ "dragdrop/os_exchange_data_unittest.cc" ]
-
-        deps += [
-          "//ui/events",
-          "//ui/events/platform",
-        ]
-      }
-
       if (is_chromeos) {
         sources += [ "../chromeos/touch_exploration_controller_unittest.cc" ]
-        sources -= [
-          "dragdrop/os_exchange_data_provider_aurax11_unittest.cc",
-          "x/selection_requestor_unittest.cc",
-        ]
         deps += [
           "//chromeos",
           "//ui/aura:test_support",
           "//ui/events:gesture_detection",
           "//ui/chromeos:ui_chromeos",
         ]
       }
     }
   }
 }
 # TODO(GYP) Mac (ui_unittest_bundle) and Android (ui_unittests_apk).