Lazily prune the multibuffer block cache.

media/cast/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/android/config.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//third_party/protobuf/proto_library.gni")
 
@@ skipping 225 matching lines @@
       "//third_party/opus",
     ]
   }
 }
 
 static_library("test_support") {
   testonly = true
   sources = [
     "test/fake_receiver_time_offset_estimator.cc",
     "test/fake_receiver_time_offset_estimator.h",
-    "test/fake_single_thread_task_runner.cc",
-    "test/fake_single_thread_task_runner.h",
     "test/loopback_transport.cc",
     "test/loopback_transport.h",
     "test/skewed_single_thread_task_runner.cc",
     "test/skewed_single_thread_task_runner.h",
     "test/skewed_tick_clock.cc",
     "test/skewed_tick_clock.h",
     "test/utility/audio_utility.cc",
     "test/utility/audio_utility.h",
     "test/utility/barcode.cc",
     "test/utility/barcode.h",
@@ skipping 283 matching lines @@
   deps = [
     ":sender",
   ]
 }
 
 static_library("cast_receiver") {
   deps = [
     ":receiver",
   ]
 }