Don't expose nonstandard FileSystem API to Service Workers

third_party/WebKit/Source/modules/filesystem/SharedWorkerGlobalScopeFileSystem.idl

Index: third_party/WebKit/Source/modules/filesystem/SharedWorkerGlobalScopeFileSystem.idl
diff --git a/third_party/WebKit/Source/modules/filesystem/WorkerGlobalScopeFileSystem.idl b/third_party/WebKit/Source/modules/filesystem/SharedWorkerGlobalScopeFileSystem.idl
similarity index 94%
rename from third_party/WebKit/Source/modules/filesystem/WorkerGlobalScopeFileSystem.idl
rename to third_party/WebKit/Source/modules/filesystem/SharedWorkerGlobalScopeFileSystem.idl
index f01817aa4de0dda351e709f10c6b475fd4f7a255..b01deac2762621897c03d7ff209be79a8b2ea436 100644
--- a/third_party/WebKit/Source/modules/filesystem/WorkerGlobalScopeFileSystem.idl
+++ b/third_party/WebKit/Source/modules/filesystem/SharedWorkerGlobalScopeFileSystem.idl
@@ -24,7 +24,8 @@
  *
  */
 
-partial interface WorkerGlobalScope {
+[ImplementedAs=WorkerGlobalScopeFileSystem]
+partial interface SharedWorkerGlobalScope {
     const unsigned short TEMPORARY = 0;
     const unsigned short PERSISTENT = 1;
 
@@ -32,6 +33,4 @@ partial interface WorkerGlobalScope {
     [RuntimeEnabled=FileSystem, RaisesException, MeasureAs=RequestFileSystemSyncWorker] DOMFileSystemSync webkitRequestFileSystemSync(unsigned short type, long long size);
     [RuntimeEnabled=FileSystem] void webkitResolveLocalFileSystemURL(DOMString url, EntryCallback successCallback, optional ErrorCallback errorCallback);
     [RuntimeEnabled=FileSystem, RaisesException] EntrySync webkitResolveLocalFileSystemSyncURL(DOMString url);
-
-    [RuntimeEnabled=FileSystem] attribute FileErrorConstructor FileError;
 };