Script changes for ChangeXXX -> Change=XXX

tools/dom/idl/dart/dart.idl

 // This file introduces / supplements and forces Dart declarations.
 
 [Supplemental,
  Constructor]
 interface AudioContext {
   // TODO(ager): Auto-generate this custom method when the info about retaining
   // typed arrays is in the IDL.
   [Custom] void decodeAudioData(ArrayBuffer audioData, AudioBufferCallback successCallback, AudioBufferCallback errorCallback);
 };
 
 [Supplemental]
 interface WaveShaperNode {
   // TODO(ager): Auto-generate this custom method when the info about retaining
   // typed arrays is in the IDL.
-  [CustomSetter] attribute Float32Array curve;
+  [Custom=Setter] attribute Float32Array curve;
 };
 
 [Supplemental]
 interface AudioParam {
   // TODO(ager): Auto-generate this custom method when the info about retaining
   // typed arrays is in the IDL.
   [Custom] void setValueCurveAtTime(Float32Array values, double time, double duration);
 };
 
 [Supplemental]
@@ skipping 295 matching lines @@
 [Suppressed]
 interface InspectorFrontendHost {};
 
 
 [Suppressed]
 interface JavaScriptCallFrame {};
 
 
 [Supplemental]
 interface Location {
-  [CustomSetter] attribute DOMString href;
+  [Custom=Setter] attribute DOMString href;
 
   [Custom] void assign(optional DOMString url);
   [Custom] void replace([Default=Undefined] optional DOMString url);
   [Custom] void reload();
 
   // URI decomposition attributes
-  [CustomSetter] attribute DOMString protocol;
-  [CustomSetter] attribute DOMString host;
-  [CustomSetter] attribute DOMString hostname;
-  [CustomSetter] attribute DOMString port;
-  [CustomSetter] attribute DOMString pathname;
-  [CustomSetter] attribute DOMString search;
-  [CustomSetter] attribute DOMString hash;
+  [Custom=Setter] attribute DOMString protocol;
+  [Custom=Setter] attribute DOMString host;
+  [Custom=Setter] attribute DOMString hostname;
+  [Custom=Setter] attribute DOMString port;
+  [Custom=Setter] attribute DOMString pathname;
+  [Custom=Setter] attribute DOMString search;
+  [Custom=Setter] attribute DOMString hash;
 };
 
 // TODO(jacobr): reenable these new Blink features.
 [Suppressed]
 interface ImageBitmapFactories {};
 
 // See https://chromiumcodereview.appspot.com/15901002 for the V8 implementation of
 // TextEncoder/TextDecoder
 [Suppressed]
 interface TextEncoder {};
 
 [Suppressed]
 interface TextDecoder {};
 
 [Supplemental]
 interface Window : EventTarget {};
 
 Element implements GlobalEventHandlers;