bluetooth: android: Implement Characteristic GetIdentifier, fix Service IDs too.

device/BUILD.gn

 # Copyright 2015 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/features.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
@@ skipping 22 matching lines @@
     "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_characteristic_unittest.cc",
     "bluetooth/bluetooth_gatt_chromeos_unittest.cc",
     "bluetooth/bluetooth_gatt_service_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",
     "bluetooth/test/bluetooth_test.h",
     "bluetooth/test/bluetooth_test_android.cc",
@@ skipping 109 matching lines @@
   if (is_mac) {
     deps += [ "//third_party/ocmock" ]
     ldflags = [ "-ObjC" ]
     libs = [ "IOBluetooth.framework" ]
 
     # In the OSX 10.10 SDK, CoreBluetooth became a top level framework.
     # Previously, it was nested in IOBluetooth. In order for Chrome to run on
     # OSes older than OSX 10.10, the top level CoreBluetooth framework must be
     # weakly linked.
     if (mac_sdk_version == "10.10") {
-      ldflags += [ "-weak_framework", "CoreBluetooth" ]
+      ldflags += [
+        "-weak_framework",
+        "CoreBluetooth",
+      ]
     }
   }
 }
 
 if (is_android) {
   bluetooth_java_sources_needing_jni = [ "bluetooth/test/android/java/src/org/chromium/device/bluetooth/Fakes.java" ]
 
   generate_jni("bluetooth_test_jni_headers") {
     sources = bluetooth_java_sources_needing_jni
     jni_package = "bluetooth"
   }
 
   android_library("bluetooth_test_java") {
     java_files = bluetooth_java_sources_needing_jni
     deps = [
       "//base:base_java",
       "//device/bluetooth:java",
     ]
   }
 }