Update from chromium https://crrev.com/302282

cc/BUILD.gn

 # Copyright 2014 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.
 
 component("cc") {
   sources = [
     "animation/animation.cc",
     "animation/animation.h",
     "animation/animation_curve.cc",
     "animation/animation_curve.h",
@@ skipping 541 matching lines @@
     "test/geometry_test_utils.h",
     "test/test_in_process_context_provider.cc",
     "test/test_in_process_context_provider.h",
     "test/impl_side_painting_settings.h",
     "test/layer_test_common.cc",
     "test/layer_test_common.h",
     "test/layer_tree_host_common_test.cc",
     "test/layer_tree_host_common_test.h",
     "test/layer_tree_json_parser.cc",
     "test/layer_tree_json_parser.h",
+    "test/layer_tree_pixel_resource_test.cc",
+    "test/layer_tree_pixel_resource_test.h",
     "test/layer_tree_pixel_test.cc",
     "test/layer_tree_pixel_test.h",
     "test/layer_tree_test.cc",
     "test/layer_tree_test.h",
     "test/mock_occlusion_tracker.h",
     "test/ordered_simple_task_runner.cc",
     "test/ordered_simple_task_runner.h",
     "test/ordered_texture_map.cc",
     "test/ordered_texture_map.h",
     "test/paths.cc",
@@ skipping 19 matching lines @@
     "test/solid_color_content_layer_client.cc",
     "test/solid_color_content_layer_client.h",
     "test/test_context_provider.cc",
     "test/test_context_provider.h",
     "test/test_context_support.cc",
     "test/test_context_support.h",
     "test/test_gles2_interface.cc",
     "test/test_gles2_interface.h",
     "test/test_gpu_memory_buffer_manager.cc",
     "test/test_gpu_memory_buffer_manager.h",
+    "test/test_image_factory.cc",
+    "test/test_image_factory.h",
     "test/test_now_source.cc",
     "test/test_now_source.h",
     "test/test_occlusion_tracker.h",
     "test/test_shared_bitmap_manager.cc",
     "test/test_shared_bitmap_manager.h",
     "test/test_texture.cc",
     "test/test_texture.h",
     "test/test_tile_priorities.cc",
     "test/test_tile_priorities.h",
     "test/test_web_graphics_context_3d.cc",
@@ skipping 122 matching lines @@
     "trees/blocking_task_runner_unittest.cc",
     "trees/damage_tracker_unittest.cc",
     "trees/layer_sorter_unittest.cc",
     "trees/layer_tree_host_common_unittest.cc",
     "trees/layer_tree_host_impl_unittest.cc",
     "trees/layer_tree_host_pixeltest_blending.cc",
     "trees/layer_tree_host_pixeltest_filters.cc",
     "trees/layer_tree_host_pixeltest_masks.cc",
     "trees/layer_tree_host_pixeltest_on_demand_raster.cc",
     "trees/layer_tree_host_pixeltest_readback.cc",
+    "trees/layer_tree_host_pixeltest_synchronous.cc",
     "trees/layer_tree_host_unittest.cc",
     "trees/layer_tree_host_unittest_animation.cc",
     "trees/layer_tree_host_unittest_context.cc",
     "trees/layer_tree_host_unittest_copyrequest.cc",
     "trees/layer_tree_host_unittest_damage.cc",
     "trees/layer_tree_host_unittest_delegated.cc",
     "trees/layer_tree_host_unittest_occlusion.cc",
     "trees/layer_tree_host_unittest_no_message_loop.cc",
     "trees/layer_tree_host_unittest_picture.cc",
     "trees/layer_tree_host_unittest_proxy.cc",
@@ skipping 56 matching lines @@
     "//gpu:test_support",
     "//gpu/command_buffer/common:gles2_utils",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//testing/perf",
     "//ui/gfx",
     "//ui/gfx/geometry",
   ]
 }