Add Linux support for the Bluetooth API.

device/BUILD.gn

Index: device/BUILD.gn
diff --git a/device/BUILD.gn b/device/BUILD.gn
index 4961292c55c9fca030f0cd129ed5c294fe44783c..c81e8dc39a72d9a8cb2a0d3d5ea75fa7516c14f8 100644
--- a/device/BUILD.gn
+++ b/device/BUILD.gn
@@ -30,20 +30,14 @@ test("device_unittests") {
     "battery/battery_status_manager_win_unittest.cc",
     "battery/battery_status_service_unittest.cc",
     "bluetooth/bluetooth_adapter_mac_unittest.mm",
-    "bluetooth/bluetooth_adapter_profile_chromeos_unittest.cc",
     "bluetooth/bluetooth_adapter_unittest.cc",
     "bluetooth/bluetooth_adapter_win_unittest.cc",
-    "bluetooth/bluetooth_advertisement_chromeos_unittest.cc",
     "bluetooth/bluetooth_advertisement_unittest.cc",
-    "bluetooth/bluetooth_audio_sink_chromeos_unittest.cc",
-    "bluetooth/bluetooth_chromeos_unittest.cc",
     "bluetooth/bluetooth_device_unittest.cc",
     "bluetooth/bluetooth_device_win_unittest.cc",
     "bluetooth/bluetooth_discovery_filter_unittest.cc",
-    "bluetooth/bluetooth_gatt_chromeos_unittest.cc",
     "bluetooth/bluetooth_low_energy_win_unittest.cc",
     "bluetooth/bluetooth_service_record_win_unittest.cc",
-    "bluetooth/bluetooth_socket_chromeos_unittest.cc",
     "bluetooth/bluetooth_task_manager_win_unittest.cc",
     "bluetooth/bluetooth_uuid_unittest.cc",
     "bluetooth/test/bluetooth_test.cc",
@@ -141,16 +135,28 @@ test("device_unittests") {
   }
 
   if (is_chromeos) {
-    configs += [ "//build/config/linux:dbus" ]
-
     deps += [
       "//chromeos",
       "//chromeos:test_support",
       "//chromeos:test_support_without_gmock",
-      "//dbus",
     ]
   }
 
+  if (is_chromeos || is_linux) {
+    configs += [ "//build/config/linux:dbus" ]
+
+    sources += [
+      "bluetooth/bluetooth_adapter_profile_bluez_unittest.cc",
+      "bluetooth/bluetooth_advertisement_bluez_unittest.cc",
+      "bluetooth/bluetooth_audio_sink_bluez_unittest.cc",
+      "bluetooth/bluetooth_bluez_unittest.cc",
+      "bluetooth/bluetooth_gatt_bluez_unittest.cc",
+      "bluetooth/bluetooth_socket_bluez_unittest.cc",
+    ]
+
+    deps += [ "//dbus" ]
+  }
+
   if (is_posix && !is_android && !is_mac) {
     libs = [ "rt" ]
   }