[dart:io] Namespaces for file IO

sdk/lib/io/link.dart

Index: sdk/lib/io/link.dart
diff --git a/sdk/lib/io/link.dart b/sdk/lib/io/link.dart
index cc347800423b6011212a84ebdd328fecdd03bc46..31028186dd2da7bfbab56824df0aa045783bd233 100644
--- a/sdk/lib/io/link.dart
+++ b/sdk/lib/io/link.dart
@@ -168,7 +168,7 @@ class _Link extends FileSystemEntity implements Link {
     var result =
         recursive ? parent.create(recursive: true) : new Future.value(null);
     return result
-        .then((_) => _IOService._dispatch(_FILE_CREATE_LINK, [path, target]))
+        .then((_) => _File._dispatchWithNamespace(_FILE_CREATE_LINK, [null, path, target]))
         .then((response) {
       if (_isErrorResponse(response)) {
         throw _exceptionFromResponse(
@@ -185,7 +185,7 @@ class _Link extends FileSystemEntity implements Link {
     if (Platform.isWindows) {
       target = _makeWindowsLinkTarget(target);
     }
-    var result = _File._createLink(path, target);
+    var result = _File._createLink(_Namespace._namespace, path, target);
     throwIfError(result, "Cannot create link", path);
   }
 
@@ -225,7 +225,8 @@ class _Link extends FileSystemEntity implements Link {
     if (recursive) {
       return new Directory(path).delete(recursive: true).then((_) => this);
     }
-    return _IOService._dispatch(_FILE_DELETE_LINK, [path]).then((response) {
+    return _File._dispatchWithNamespace(_FILE_DELETE_LINK, [null, path])
+        .then((response) {
       if (_isErrorResponse(response)) {
         throw _exceptionFromResponse(response, "Cannot delete link", path);
       }
@@ -237,13 +238,14 @@ class _Link extends FileSystemEntity implements Link {
     if (recursive) {
       return new Directory(path).deleteSync(recursive: true);
     }
-    var result = _File._deleteLinkNative(path);
+    var result = _File._deleteLinkNative(_Namespace._namespace, path);
     throwIfError(result, "Cannot delete link", path);
   }
 
   Future<Link> rename(String newPath) {
-    return _IOService
-        ._dispatch(_FILE_RENAME_LINK, [path, newPath]).then((response) {
+    return _File
+        ._dispatchWithNamespace(_FILE_RENAME_LINK, [null, path, newPath])
+        .then((response) {
       if (_isErrorResponse(response)) {
         throw _exceptionFromResponse(
             response, "Cannot rename link to '$newPath'", path);
@@ -253,13 +255,14 @@ class _Link extends FileSystemEntity implements Link {
   }
 
   Link renameSync(String newPath) {
-    var result = _File._renameLink(path, newPath);
+    var result = _File._renameLink(_Namespace._namespace, path, newPath);
     throwIfError(result, "Cannot rename link '$path' to '$newPath'");
     return new Link(newPath);
   }
 
   Future<String> target() {
-    return _IOService._dispatch(_FILE_LINK_TARGET, [path]).then((response) {
+    return _File._dispatchWithNamespace(_FILE_LINK_TARGET, [null, path])
+        .then((response) {
       if (_isErrorResponse(response)) {
         throw _exceptionFromResponse(
             response, "Cannot get target of link", path);
@@ -269,7 +272,7 @@ class _Link extends FileSystemEntity implements Link {
   }
 
   String targetSync() {
-    var result = _File._linkTarget(path);
+    var result = _File._linkTarget(_Namespace._namespace, path);
     throwIfError(result, "Cannot read link", path);
     return result;
   }