Reland: Add ETC1 powered SSE encoder for tile texture compression

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 76 matching lines @@
       'resources/picture_unittest.cc',
       'resources/pixel_ref_map_unittest.cc',
       'resources/platform_color_unittest.cc',
       'resources/prioritized_resource_unittest.cc',
       'resources/recording_source_unittest.cc',
       'resources/resource_provider_unittest.cc',
       'resources/resource_update_controller_unittest.cc',
       'resources/scoped_gpu_raster_unittest.cc',
       'resources/scoped_resource_unittest.cc',
       'resources/task_graph_runner_unittest.cc',
+      'resources/texture_compressor_etc1_unittest.cc',
       'resources/texture_mailbox_deleter_unittest.cc',
       'resources/texture_uploader_unittest.cc',
       'resources/tile_manager_unittest.cc',
       'resources/tile_priority_unittest.cc',
       'resources/tile_task_worker_pool_unittest.cc',
       'resources/video_resource_updater_unittest.cc',
       'scheduler/begin_frame_source_unittest.cc',
       'scheduler/delay_based_time_source_unittest.cc',
       'scheduler/scheduler_state_machine_unittest.cc',
       'scheduler/scheduler_unittest.cc',
@@ skipping 371 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }