SyncFS: Introduce SyncFileSystemBackend

webkit/browser/fileapi/test_file_system_backend.cc

Index: webkit/browser/fileapi/test_file_system_backend.cc
diff --git a/webkit/browser/fileapi/test_file_system_backend.cc b/webkit/browser/fileapi/test_file_system_backend.cc
index b20ce34b6aa9e7c554f60ea8ad82c0d225ae1a1b..e9b28b95355eb673be2fa41d1ae2335d2c6f4ee6 100644
--- a/webkit/browser/fileapi/test_file_system_backend.cc
+++ b/webkit/browser/fileapi/test_file_system_backend.cc
@@ -148,6 +148,9 @@ bool TestFileSystemBackend::CanHandleType(FileSystemType type) const {
   return (type == kFileSystemTypeTest);
 }
 
+void TestFileSystemBackend::Initialize(const FileSystemContext* context) {
+}
+
 void TestFileSystemBackend::InitializeFileSystem(
     const GURL& origin_url,
     FileSystemType type,
@@ -159,12 +162,14 @@ void TestFileSystemBackend::InitializeFileSystem(
                base::PLATFORM_FILE_OK);
 }
 
-FileSystemFileUtil* TestFileSystemBackend::GetFileUtil(FileSystemType type) {
+FileSystemFileUtil* TestFileSystemBackend::GetFileUtil(
+    FileSystemType type) {
   DCHECK(local_file_util_.get());
   return local_file_util_->sync_file_util();
 }
 
-AsyncFileUtil* TestFileSystemBackend::GetAsyncFileUtil(FileSystemType type) {
+AsyncFileUtil* TestFileSystemBackend::GetAsyncFileUtil(
+    FileSystemType type) {
   return local_file_util_.get();
 }