cc: Add image decode queue functionality to image manager.

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.
 
 import("//build/config/ui.gni")
 import("//cc/cc.gni")
 
 cc_component("cc") {
   sources = [
     "blimp/client_picture_cache.h",
@@ skipping 404 matching lines @@
     "scheduler/delay_based_time_source.cc",
     "scheduler/delay_based_time_source.h",
     "scheduler/draw_result.h",
     "scheduler/scheduler.cc",
     "scheduler/scheduler.h",
     "scheduler/scheduler_settings.cc",
     "scheduler/scheduler_settings.h",
     "scheduler/scheduler_state_machine.cc",
     "scheduler/scheduler_state_machine.h",
     "scheduler/video_frame_controller.h",
+    "tiles/decoded_image_tracker.cc",
+    "tiles/decoded_image_tracker.h",
     "tiles/eviction_tile_priority_queue.cc",
     "tiles/eviction_tile_priority_queue.h",
     "tiles/gpu_image_decode_cache.cc",
     "tiles/gpu_image_decode_cache.h",
     "tiles/image_controller.cc",
     "tiles/image_controller.h",
     "tiles/image_decode_cache.h",
     "tiles/mipmap_util.cc",
     "tiles/mipmap_util.h",
     "tiles/picture_layer_tiling.cc",
@@ skipping 443 matching lines @@
     "scheduler/begin_frame_source_unittest.cc",
     "scheduler/compositor_timing_history_unittest.cc",
     "scheduler/delay_based_time_source_unittest.cc",
     "scheduler/scheduler_state_machine_unittest.cc",
     "scheduler/scheduler_unittest.cc",
     "test/begin_frame_source_test_unittest.cc",
     "test/layer_tree_json_parser_unittest.cc",
     "test/mock_helper_unittest.cc",
     "test/ordered_simple_task_runner_unittest.cc",
     "test/test_web_graphics_context_3d_unittest.cc",
+    "tiles/decoded_image_tracker_unittest.cc",
     "tiles/gpu_image_decode_cache_unittest.cc",
     "tiles/image_controller_unittest.cc",
     "tiles/mipmap_util_unittest.cc",
     "tiles/picture_layer_tiling_set_unittest.cc",
     "tiles/picture_layer_tiling_unittest.cc",
     "tiles/software_image_decode_cache_unittest.cc",
     "tiles/tile_manager_unittest.cc",
     "tiles/tile_priority_unittest.cc",
     "trees/blocking_task_runner_unittest.cc",
     "trees/damage_tracker_unittest.cc",
@@ skipping 142 matching lines @@
   data = [
     "test/data/",
 
     # Needed for isolate script to execute.
     "//testing/scripts/common.py",
     "//testing/xvfb.py",
     "//testing/scripts/run_gtest_perf_test.py",
     "//tools/perf/generate_legacy_perf_dashboard_json.py",
   ]
 }