Use SequencedTaskRunner for FileAPI tasks

BUG=139173
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/16813003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@206575 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 5 insertions, 4 deletions

diff --git a/webkit/browser/fileapi/file_system_task_runners.cc b/webkit/browser/fileapi/file_system_task_runners.cc
index 5543fb8..819c2e7 100644
--- a/webkit/browser/fileapi/file_system_task_runners.cc
+++ b/webkit/browser/fileapi/file_system_task_runners.cc
@@ -11,7 +11,7 @@ namespace fileapi {
 
 FileSystemTaskRunners::FileSystemTaskRunners(
     base::SingleThreadTaskRunner* io_task_runner,
-    base::SingleThreadTaskRunner* file_task_runner)
+    base::SequencedTaskRunner* file_task_runner)
     : io_task_runner_(io_task_runner),
       file_task_runner_(file_task_runner) {
 }
diff --git a/webkit/browser/fileapi/file_system_task_runners.h b/webkit/browser/fileapi/file_system_task_runners.h
index 33a43b8..2470bfa 100644
--- a/webkit/browser/fileapi/file_system_task_runners.h
+++ b/webkit/browser/fileapi/file_system_task_runners.h
@@ -10,6 +10,7 @@
 #include "webkit/browser/webkit_storage_browser_export.h"
 
 namespace base {
+class SequencedTaskRunner;
 class SingleThreadTaskRunner;
 }  // namespace
 
@@ -20,7 +21,7 @@ class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemTaskRunners {
  public:
   FileSystemTaskRunners(
       base::SingleThreadTaskRunner* io_task_runner,
-      base::SingleThreadTaskRunner* file_task_runner);
+      base::SequencedTaskRunner* file_task_runner);
 
   ~FileSystemTaskRunners();
 
@@ -30,13 +31,13 @@ class WEBKIT_STORAGE_BROWSER_EXPORT FileSystemTaskRunners {
     return io_task_runner_.get();
   }
 
-  base::SingleThreadTaskRunner* file_task_runner() {
+  base::SequencedTaskRunner* file_task_runner() {
     return file_task_runner_.get();
   }
 
  private:
   scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
-  scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
+  scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(FileSystemTaskRunners);
 };