Deprecate media_task_runner() from FileSystemTaskRunners

chrome/browser/media_galleries/imported_media_gallery_registry.cc

Index: chrome/browser/media_galleries/imported_media_gallery_registry.cc
diff --git a/chrome/browser/media_galleries/imported_media_gallery_registry.cc b/chrome/browser/media_galleries/imported_media_gallery_registry.cc
index 0a17c82cf4293d7abe4b9116df31e6ffdc6c03b8..83446b92453b1d4416110c5c07b425f8584dd512 100644
--- a/chrome/browser/media_galleries/imported_media_gallery_registry.cc
+++ b/chrome/browser/media_galleries/imported_media_gallery_registry.cc
@@ -7,10 +7,10 @@
 #include "base/bind.h"
 #include "base/logging.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/picasa/picasa_data_provider.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "content/public/browser/browser_thread.h"
-#include "webkit/browser/fileapi/file_system_task_runners.h"
 #include "webkit/browser/fileapi/isolated_context.h"
 
 using base::Bind;
@@ -22,7 +22,8 @@ namespace {
 bool CurrentlyOnMediaTaskRunnerThread() {
   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);
 }
@@ -31,7 +32,8 @@ scoped_refptr<base::SequencedTaskRunner> MediaTaskRunner() {
   DCHECK(!CurrentlyOnMediaTaskRunnerThread());
   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);
 }