Update context2d.arc to take optional anticlockwise parameter

tools/dom/idl/dart/dart.idl

Index: tools/dom/idl/dart/dart.idl
diff --git a/tools/dom/idl/dart/dart.idl b/tools/dom/idl/dart/dart.idl
index 0450497d67e9aceae2e19920a87ccfb41fbed76c..fdb1ae0a402ae211f882d37fc5628d6b29ea9900 100644
--- a/tools/dom/idl/dart/dart.idl
+++ b/tools/dom/idl/dart/dart.idl
@@ -138,6 +138,12 @@ interface WebGLRenderingContext {
 };
 
 [Supplemental]
+interface CanvasRenderingContext2D {
+    [Suppressed] any arc([Optional=DefaultIsUndefined] float x, [Optional=DefaultIsUndefined] float y, [Optional=DefaultIsUndefined] float radius, [Optional=DefaultIsUndefined] float startAngle, [Optional=DefaultIsUndefined] float endAngle, boolean anticlockwise);

[blois, 2013/03/08 01:54:50]

I believe you can remove the DefaultIsUndefined portion.

[Andrei Mouravski, 2013/03/08 08:11:25]

Done.

+    [Custom] void arc([Optional=DefaultIsUndefined] float x, [Optional=DefaultIsUndefined] float y, [Optional=DefaultIsUndefined] float radius, [Optional=DefaultIsUndefined] float startAngle, [Optional=DefaultIsUndefined] float endAngle, [Optional] boolean anticlockwise);
+};
+
+[Supplemental]
 interface CSSStyleDeclaration {
   void setProperty(in DOMString propertyName, in DOMString value, [Optional] in DOMString priority);
   [DartName=_getPropertyValue] DOMString getPropertyValue(in DOMString propertyName);
@@ -265,7 +271,6 @@ interface EntrySync {
   EntrySync getParent();
 };
 
-
 [Supplemental,
   CustomConstructor,
   Constructor(in Array blobParts,
@@ -357,6 +362,5 @@ interface XMLHttpRequest {
        raises(DOMException);
 };
 
-
 [Suppressed]
 interface Entity {};