Only use skia::RefPtr for refcounting

cc/cc_tests.gyp

 # Copyright (c) 2012 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.
 
 {
   'variables': {
     'chromium_code': 1,
     'cc_unit_tests_source_files': [
       'animation/animation_unittest.cc',
       'animation/keyframed_animation_curve_unittest.cc',
@@ skipping 136 matching lines @@
       'test/paths.cc',
       'test/paths.h',
       'test/pixel_test.cc',
       'test/pixel_test.h',
       'test/render_pass_test_common.cc',
       'test/render_pass_test_common.h',
       'test/render_pass_test_utils.cc',
       'test/render_pass_test_utils.h',
       'test/scheduler_test_common.cc',
       'test/scheduler_test_common.h',
+      'test/skia_common.cc',
+      'test/skia_common.h',
       'test/test_web_graphics_context_3d.cc',
       'test/test_web_graphics_context_3d.h',
       'test/tiled_layer_test_common.cc',
       'test/tiled_layer_test_common.h',
     ],
   },
   'targets': [
     {
       'target_name': 'cc_unittests',
       'type': '<(gtest_target_type)',
@@ skipping 140 matching lines @@
           'variables': {
             'test_suite_name': 'cc_perftests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)cc_perftests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }]
   ],
 }