Persist Instance ID data to GCM store.

components/gcm_driver.gypi

 # 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.
 
 {
   'targets': [
     {
       # GN version: //components/gcm_driver
       'target_name': 'gcm_driver',
       'type': 'static_library',
@@ skipping 149 matching lines @@
             'gcm_driver/instance_id/instance_id_impl.h',
           ],
         }],
       ],
     },
     {
       # GN version: //components/gcm_driver/instance_id:test_support
       'target_name': 'instance_id_test_support',
       'type': 'static_library',
       'dependencies': [
+        'gcm_driver_test_support',
         'instance_id',
         '../testing/gtest.gyp:gtest',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         # Note: file list duplicated in GN build.
-        'gcm_driver/instance_id/fake_instance_id_driver.cc',
-        'gcm_driver/instance_id/fake_instance_id_driver.h',
+        'gcm_driver/instance_id/fake_gcm_driver_for_instance_id.cc',
+        'gcm_driver/instance_id/fake_gcm_driver_for_instance_id.h',
       ],
     },
   ],
   'conditions': [
     ['OS == "android"', {
       'targets': [
         {
           # GN version: //components/gcm_driver/android:gcm_driver_java
           'target_name': 'gcm_driver_java',
           'type': 'none',
@@ skipping 18 matching lines @@
           'variables': {
             'jni_gen_package': 'components/gcm_driver',
           },
           'includes': [ '../build/jni_generator.gypi' ],
         },
       ],
      },
     ],
   ],
 }