Update script to fetch new WebCore IDL

third_party/WebCore/Modules/webaudio/BiquadFilterNode.idl

Index: third_party/WebCore/Modules/webaudio/BiquadFilterNode.idl
diff --git a/third_party/WebCore/Modules/webaudio/BiquadFilterNode.idl b/third_party/WebCore/Modules/webaudio/BiquadFilterNode.idl
new file mode 100644
index 0000000000000000000000000000000000000000..d143065df41fb2fe698604afa6a87bb9b46a6d47
--- /dev/null
+++ b/third_party/WebCore/Modules/webaudio/BiquadFilterNode.idl
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2011, Google 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:
+ * 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 INC. AND ITS 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 APPLE INC. OR ITS 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 audio {
+    interface [
+        Conditional=WEB_AUDIO,
+        JSGenerateToJSObject
+    ] BiquadFilterNode : AudioNode {
+        // Filter type.
+        const unsigned short LOWPASS = 0;
+        const unsigned short HIGHPASS = 1;
+        const unsigned short BANDPASS = 2;
+        const unsigned short LOWSHELF = 3;
+        const unsigned short HIGHSHELF = 4;
+        const unsigned short PEAKING = 5;
+        const unsigned short NOTCH = 6;
+        const unsigned short ALLPASS = 7;
+
+        attribute unsigned short type
+            setter raises(DOMException);
+        
+        readonly attribute AudioParam frequency; // in Hertz
+        readonly attribute AudioParam Q; // Quality factor
+        readonly attribute AudioParam gain; // in Decibels
+
+        void getFrequencyResponse(in Float32Array frequencyHz,
+                                  in Float32Array magResponse,
+                                  in Float32Array phaseResponse);
+    };
+}