Revert of Multibuffer reader implementation

media/blink/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("//media/media_options.gni")
 import("//testing/test.gni")
 
 component("blink") {
   output_name = "media_blink"
 
@@ skipping 30 matching lines @@
     "cdm_result_promise_helper.h",
     "cdm_session_adapter.cc",
     "cdm_session_adapter.h",
     "interval_map.h",
     "key_system_config_selector.cc",
     "key_system_config_selector.h",
     "lru.h",
     "media_blink_export.h",
     "multibuffer.cc",
     "multibuffer.h",
-    "multibuffer_reader.cc",
-    "multibuffer_reader.h",
     "new_session_cdm_result_promise.cc",
     "new_session_cdm_result_promise.h",
     "texttrack_impl.cc",
     "texttrack_impl.h",
     "video_frame_compositor.cc",
     "video_frame_compositor.h",
     "webaudiosourceprovider_impl.cc",
     "webaudiosourceprovider_impl.h",
     "webcontentdecryptionmodule_impl.cc",
     "webcontentdecryptionmodule_impl.h",
@@ skipping 54 matching lines @@
     "buffered_data_source_host_impl_unittest.cc",
     "buffered_data_source_unittest.cc",
     "buffered_resource_loader_unittest.cc",
     "cache_util_unittest.cc",
     "interval_map_unittest.cc",
     "key_system_config_selector_unittest.cc",
     "lru_unittest.cc",
     "mock_webframeclient.h",
     "mock_weburlloader.cc",
     "mock_weburlloader.h",
-    "multibuffer_unittest.cc",
     "run_all_unittests.cc",
     "test_random.h",
     "test_response_generator.cc",
     "test_response_generator.h",
     "video_frame_compositor_unittest.cc",
     "webaudiosourceprovider_impl_unittest.cc",
   ]
 
   if (is_android) {
     deps += [ "//ui/gl" ]
   }
 
   configs += [ "//v8:external_startup_data" ]
 }
 
 # TODO(GYP): Delete this after we've converted everything to GN.
 # The _run targets exist only for compatibility w/ GYP.
 group("media_blink_unittests_run") {
   testonly = true
   deps = [
     ":media_blink_unittests",
   ]
 }