Make Interaction Media Features MQ dynamic on Linux.

ui/base/BUILD.gn

Index: ui/base/BUILD.gn
diff --git a/ui/base/BUILD.gn b/ui/base/BUILD.gn
index e06860438968e9cffee3deb347f9fa6d20e4fca3..8020cf9242abd9e87242ee9143cac8dcd4d2bdf1 100644
--- a/ui/base/BUILD.gn
+++ b/ui/base/BUILD.gn
@@ -251,6 +251,7 @@ component("base") {
     "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",
@@ -357,6 +358,7 @@ component("base") {
     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) {
@@ -364,6 +366,7 @@ component("base") {
   } 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.