Update script to fetch new WebCore IDL

third_party/WebCore/html/HTMLCanvasElement.idl

Index: third_party/WebCore/html/HTMLCanvasElement.idl
diff --git a/third_party/WebCore/html/HTMLCanvasElement.idl b/third_party/WebCore/html/HTMLCanvasElement.idl
new file mode 100644
index 0000000000000000000000000000000000000000..2be96a55627dd2da882e3fcf3d03b195935b4ae6
--- /dev/null
+++ b/third_party/WebCore/html/HTMLCanvasElement.idl
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2006, 2008, 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 [
+        JSGenerateToNativeObject
+    ] HTMLCanvasElement : HTMLElement {
+
+        attribute long width;
+        attribute long height;
+
+        [Custom] DOMString toDataURL(in [TreatNullAs=NullString, TreatUndefinedAs=NullString,Optional=DefaultIsUndefined] DOMString type)
+            raises(DOMException);
+
+#if !defined(LANGUAGE_CPP) || !LANGUAGE_CPP
+#if !defined(LANGUAGE_OBJECTIVE_C) || !LANGUAGE_OBJECTIVE_C
+        // The custom binding is needed to handle context creation attributes.
+        [Custom] DOMObject getContext(in [Optional=DefaultIsUndefined] DOMString contextId);
+#endif
+#endif
+
+    };
+
+}