Add texture compression interface and ETC1 encoder.

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 333 matching lines @@
         '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/task_graph_runner_perftest.cc',
+        'resources/texture_compress/texture_compressor_perftest.cc',
         'resources/tile_manager_perftest.cc',
         'resources/tile_task_worker_pool_perftest.cc',
         'test/cc_test_suite.cc',
         'test/run_all_perftests.cc',
         'trees/layer_tree_host_common_perftest.cc',
         'trees/layer_tree_host_perftest.cc',
         'trees/occlusion_tracker_perftest.cc',
       ],
       'include_dirs': [
         'test',
@@ skipping 105 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }