Enable more tests in GN build.

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 279 matching lines @@
                 }
               ],
             ],
           }
         ],
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
+      # GN version: //cc/cc_perftests
       'target_name': 'cc_perftests',
       'type': '<(gtest_target_type)',
       'dependencies': [
         '../base/base.gyp:test_support_base',
         '../gpu/gpu.gyp:gpu',
         '../gpu/gpu.gyp:gpu_unittest_utils',
         '../media/media.gyp:media',
         '../skia/skia.gyp:skia',
         '../testing/gmock.gyp:gmock',
         '../testing/gtest.gyp:gtest',
         '../testing/perf/perf_test.gyp:*',
         '../ui/gfx/gfx.gyp:gfx',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         'cc.gyp:cc',
         'cc_test_support',
       ],
       'sources': [
+        # Note: sources list duplicated in GN build.
         'layers/layer_perftest.cc',
         'layers/picture_layer_impl_perftest.cc',
         'resources/picture_layer_tiling_perftest.cc',
         'resources/picture_pile_impl_perftest.cc',
         'resources/raster_worker_pool_perftest.cc',
         'resources/task_graph_runner_perftest.cc',
         'resources/tile_manager_perftest.cc',
         'test/cc_test_suite.cc',
         'test/run_all_perftests.cc',
         'trees/layer_tree_host_common_perftest.cc',
@@ skipping 80 matching lines @@
             'variables': {
               'test_suite_name': 'cc_perftests',
             },
             'includes': [ '../build/apk_test.gypi' ],
           },
         ],
       }
     ]
   ],
 }