Deprecate media_task_runner() from FileSystemTaskRunners

chrome/browser/media_galleries/scoped_mtp_device_map_entry.cc

Index: chrome/browser/media_galleries/scoped_mtp_device_map_entry.cc
diff --git a/chrome/browser/media_galleries/scoped_mtp_device_map_entry.cc b/chrome/browser/media_galleries/scoped_mtp_device_map_entry.cc
index d3c4be1ff5242c021d7f50aa7d861543bd1e2620..703efadbf26ebbbb77848dc2204f94a83106fbdb 100644
--- a/chrome/browser/media_galleries/scoped_mtp_device_map_entry.cc
+++ b/chrome/browser/media_galleries/scoped_mtp_device_map_entry.cc
@@ -6,10 +6,10 @@
 
 #include "base/bind.h"
 #include "base/threading/sequenced_worker_pool.h"
+#include "chrome/browser/media_galleries/fileapi/media_file_system_mount_point_provider.h"
 #include "chrome/browser/media_galleries/fileapi/mtp_device_map_service.h"
 #include "chrome/browser/media_galleries/mtp_device_delegate_impl.h"
 #include "content/public/browser/browser_thread.h"
-#include "webkit/browser/fileapi/file_system_task_runners.h"
 
 namespace chrome {
 
@@ -18,14 +18,16 @@ namespace {
 bool IsMediaTaskRunnerThread() {
   base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
   base::SequencedWorkerPool::SequenceToken media_sequence_token =
-      pool->GetNamedSequenceToken(fileapi::kMediaTaskRunnerName);
+      pool->GetNamedSequenceToken(
+          MediaFileSystemMountPointProvider::kMediaTaskRunnerName);
   return pool->IsRunningSequenceOnCurrentThread(media_sequence_token);
 }
 
 scoped_refptr<base::SequencedTaskRunner> GetSequencedTaskRunner() {
   base::SequencedWorkerPool* pool = content::BrowserThread::GetBlockingPool();
   base::SequencedWorkerPool::SequenceToken media_sequence_token =
-      pool->GetNamedSequenceToken(fileapi::kMediaTaskRunnerName);
+      pool->GetNamedSequenceToken(
+          MediaFileSystemMountPointProvider::kMediaTaskRunnerName);
   return pool->GetSequencedTaskRunner(media_sequence_token);
 }