Add texture compression interface and ETC1 encoder.

cc/cc.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,
   },
   'targets': [
     {
@@ skipping 460 matching lines @@
         'resources/single_release_callback.cc',
         'resources/single_release_callback.h',
         'resources/single_release_callback_impl.cc',
         'resources/single_release_callback_impl.h',
         'resources/skpicture_content_layer_updater.cc',
         'resources/skpicture_content_layer_updater.h',
         'resources/software_rasterizer.cc',
         'resources/software_rasterizer.h',
         'resources/task_graph_runner.cc',
         'resources/task_graph_runner.h',
+        'resources/texture_compressor.cc',
+        'resources/texture_compressor.h',
+        'resources/texture_compressor_etc1.cc',
+        'resources/texture_compressor_etc1.h',
         'resources/texture_mailbox.cc',
         'resources/texture_mailbox.h',
         'resources/texture_mailbox_deleter.cc',
         'resources/texture_mailbox_deleter.h',
         'resources/texture_uploader.cc',
         'resources/texture_uploader.h',
         'resources/tile.cc',
         'resources/tile.h',
         'resources/tile_draw_info.cc',
         'resources/tile_draw_info.h',
@@ skipping 124 matching lines @@
         'surfaces/surface_resource_holder.cc',
         'surfaces/surface_resource_holder.h',
         'surfaces/surfaces_export.h',
       ],
       'includes': [
         '../build/android/increase_size_for_speed.gypi',
       ],
     },
   ],
 }