Move OneWriterSeqLock and SharedMemorySeqLockBuffer from content/ to device/base/synchronization

content/renderer/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/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//third_party/webrtc/build/webrtc.gni")
 import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
 
@@ skipping 400 matching lines @@
     "//components/url_formatter",
     "//content:resources",
     "//content/child",
     "//content/common",
     "//content/gpu:gpu_sources",
     "//content/public/child:child_sources",
     "//content/public/common:common_sources",
     "//content/public/common:feature_h264_with_openh264_ffmpeg",
     "//content/public/common:features",
     "//crypto:platform",
+    "//device/base/synchronization",
     "//device/battery:mojo_bindings",
     "//device/bluetooth",
     "//device/time_zone_monitor/public/interfaces",
     "//device/usb/public/interfaces",
     "//device/vibration:mojo_bindings",
     "//device/vr:mojo_bindings",
     "//gin",
     "//gpu",
     "//gpu/command_buffer/client:gles2_interface",
     "//jingle:jingle_glue",
@@ skipping 482 matching lines @@
     # For the defines in mojo_media_config.
     public_configs = [ "//media/mojo/services:mojo_media_config" ]
   }
 
   if (!is_component_build) {
     public_deps = [
       ":renderer",
     ]
   }
 }