Enable chrome://gcm-internals on Android

components/gcm_driver/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.
 
 # GYP version: components/gcm_driver.gypi:gcm_driver
 static_library("gcm_driver") {
   sources = [
     "android/component_jni_registrar.cc",
     "android/component_jni_registrar.h",
     "default_gcm_app_handler.cc",
@@ skipping 31 matching lines @@
     "gcm_driver_constants.cc",
     "gcm_driver_constants.h",
     "gcm_driver_desktop.cc",
     "gcm_driver_desktop.h",
     "gcm_internals_constants.cc",
     "gcm_internals_constants.h",
     "gcm_internals_helper.cc",
     "gcm_internals_helper.h",
     "gcm_profile_service.cc",
     "gcm_profile_service.h",
+    "gcm_stats_recorder_android.cc",
+    "gcm_stats_recorder_android.h",
     "gcm_stats_recorder_impl.cc",
     "gcm_stats_recorder_impl.h",
     "registration_info.cc",
     "registration_info.h",
     "system_encryptor.cc",
     "system_encryptor.h",
   ]
 
   deps = [
     "//base",
@@ skipping 74 matching lines @@
       "fake_gcm_client_factory.h",
     ]
     deps -= [ "//google_apis/gcm:test_support" ]
   }
 }
 
 source_set("unit_tests") {
   testonly = true
 
   sources = [
+    "gcm_account_mapper_unittest.cc",
     "gcm_account_tracker_unittest.cc",
+    "gcm_channel_status_request_unittest.cc",
+    "gcm_client_impl_unittest.cc",
+    "gcm_delayed_task_controller_unittest.cc",
+    "gcm_driver_desktop_unittest.cc",
+    "gcm_stats_recorder_android_unittest.cc",
+    "gcm_stats_recorder_impl_unittest.cc",
   ]
 
   deps = [
     ":gcm_driver",
     ":test_support",
     "//base",
     "//base:prefs_test_support",
     "//base/test:test_support",
     "//google_apis:test_support",
     "//google_apis/gcm:test_support",
     "//net:test_support",
     "//sync/protocol",
     "//testing/gtest",
     "//third_party/protobuf:protobuf_lite",
   ]
 
-  if (!is_android) {
-    sources += [
+  if (is_android) {
+    sources -= [
       "gcm_account_mapper_unittest.cc",
       "gcm_channel_status_request_unittest.cc",
       "gcm_client_impl_unittest.cc",
-      "gcm_delayed_task_controller_unittest.cc",
       "gcm_driver_desktop_unittest.cc",
       "gcm_stats_recorder_impl_unittest.cc",
     ]
   }
 }