Update script to fetch new WebCore IDL

third_party/WebCore/Modules/filesystem/FileWriter.idl

Index: third_party/WebCore/Modules/filesystem/FileWriter.idl
diff --git a/third_party/WebCore/Modules/filesystem/FileWriter.idl b/third_party/WebCore/Modules/filesystem/FileWriter.idl
new file mode 100644
index 0000000000000000000000000000000000000000..c6a88f3665f159e493c619235cb0dfa5c51704e2
--- /dev/null
+++ b/third_party/WebCore/Modules/filesystem/FileWriter.idl
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2010 Google Inc.  All rights reserved.
+ * Copyright (C) 2011 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+module html {
+    interface [
+        Conditional=FILE_SYSTEM,
+        ActiveDOMObject,
+        CallWith=ScriptExecutionContext,
+        EventTarget,
+        JSNoStaticTables
+    ] FileWriter {
+        // ready states
+        const unsigned short INIT = 0;
+        const unsigned short WRITING = 1;
+        const unsigned short DONE = 2;
+        readonly attribute unsigned short readyState;
+
+        // async write/modify methods
+        void write(in Blob data) raises (FileException);
+        void seek(in long long position) raises (FileException);
+        void truncate(in long long size) raises (FileException);
+
+        void abort() raises (FileException);
+
+        readonly attribute FileError error;
+        readonly attribute long long position;
+        readonly attribute long long length;
+
+                 attribute EventListener onwritestart;
+                 attribute EventListener onprogress;
+                 attribute EventListener onwrite;
+                 attribute EventListener onabort;
+                 attribute EventListener onerror;
+                 attribute EventListener onwriteend;
+    };
+}