Make Interaction Media Features MQ dynamic on Linux.

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 233 matching lines @@
     "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",
     "template_expressions.cc",
     "template_expressions.h",
     "theme_provider.cc",
     "theme_provider.h",
     "touch/touch_device.h",
+    "touch/touch_device_util.cc",
     "touch/touch_editing_controller.cc",
     "touch/touch_editing_controller.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",
@@ skipping 86 matching lines @@
       "idle/idle_win.cc",
       "text/bytes_formatting.cc",
       "text/bytes_formatting.h",
     ]
   }
 
   if (is_win) {
     sources += [ "touch/touch_device_win.cc" ]
   } else if (is_android) {
     sources += [ "touch/touch_device_android.cc" ]
+    sources -= [ "touch/touch_device_util.cc" ]
   } else if (is_ios) {
     sources += [ "touch/touch_device_ios.cc" ]
   } else if (is_linux) {
     sources += [ "touch/touch_device_linux.cc" ]
   } else {
     # Empty implementation for all other cases.
     sources += [ "touch/touch_device.cc" ]
+    sources -= [ "touch/touch_device_util.cc" ]
   }
 
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   defines = [ "UI_BASE_IMPLEMENTATION" ]
 
   public_deps = [
     ":ui_data_pack",
     ":ui_features",
@@ skipping 258 matching lines @@
   sources = [
     "test/material_design_controller_test_api.cc",
     "test/material_design_controller_test_api.h",
     "test/ui_controls.h",
     "test/ui_controls_aura.cc",
     "test/ui_controls_aura.h",
     "test/ui_controls_internal_win.cc",
     "test/ui_controls_internal_win.h",
     "test/ui_controls_mac.mm",
     "test/ui_controls_win.cc",
     "test/user_interactive_test_case.h",

[sadrul, 2017/05/10 01:47:53]

Can touch_device_util be here? (and maybe called touch_device_test_support)

   ]
 
   if (!is_ios) {
     sources += [
       "test/nswindow_fullscreen_notification_waiter.h",
       "test/nswindow_fullscreen_notification_waiter.mm",
       "test/scoped_fake_full_keyboard_access.h",
       "test/scoped_fake_full_keyboard_access.mm",
       "test/scoped_fake_nswindow_focus.h",
       "test/scoped_fake_nswindow_focus.mm",
@@ skipping 334 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"
   }
 }