Implement DisplayList GatherPixelRefs

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 58 matching lines @@
       'output/output_surface_unittest.cc',
       'output/overlay_unittest.cc',
       'output/renderer_pixeltest.cc',
       'output/renderer_unittest.cc',
       'output/shader_unittest.cc',
       'output/software_renderer_unittest.cc',
       'quads/draw_polygon_unittest.cc',
       'quads/draw_quad_unittest.cc',
       'quads/list_container_unittest.cc',
       'quads/render_pass_unittest.cc',
+      'resources/display_list_recording_source_unittest.cc',
       'resources/display_item_list_unittest.cc',
       'resources/layer_quad_unittest.cc',
       'resources/picture_layer_tiling_set_unittest.cc',
       'resources/picture_layer_tiling_unittest.cc',
       'resources/picture_pile_impl_unittest.cc',
       'resources/picture_pile_unittest.cc',
       'resources/picture_unittest.cc',
       'resources/pixel_ref_map_unittest.cc',
       'resources/platform_color_unittest.cc',
       'resources/prioritized_resource_unittest.cc',
@@ skipping 383 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }