Make 'where' lazy.

sdk/lib/svg/dart2js/svg_dart2js.dart

Index: sdk/lib/svg/dart2js/svg_dart2js.dart
diff --git a/sdk/lib/svg/dart2js/svg_dart2js.dart b/sdk/lib/svg/dart2js/svg_dart2js.dart
index df32cb3bf8da6f357c0d740e830149fa4bd0b6d0..21bf0b23d79bb0691bfec31e72eaf049c22a61f9 100644
--- a/sdk/lib/svg/dart2js/svg_dart2js.dart
+++ b/sdk/lib/svg/dart2js/svg_dart2js.dart
@@ -351,8 +351,7 @@ class SVGAnimatedLengthList implements JavaScriptIndexingBehavior, List<SVGAnima
 
   Iterable mappedBy(f(SVGAnimatedLength element)) => new MappedIterable(this, f);
 
-  Collection<SVGAnimatedLength> where(bool f(SVGAnimatedLength element)) =>
-     _Collections.where(this, <SVGAnimatedLength>[], f);
+  Iterable<SVGAnimatedLength> where(bool f(SVGAnimatedLength element)) => new WhereIterable<SVGAnimatedLength>(this, f);
 
   bool every(bool f(SVGAnimatedLength element)) => _Collections.every(this, f);
 
@@ -462,8 +461,7 @@ class SVGAnimatedNumberList implements JavaScriptIndexingBehavior, List<SVGAnima
 
   Iterable mappedBy(f(SVGAnimatedNumber element)) => new MappedIterable(this, f);
 
-  Collection<SVGAnimatedNumber> where(bool f(SVGAnimatedNumber element)) =>
-     _Collections.where(this, <SVGAnimatedNumber>[], f);
+  Iterable<SVGAnimatedNumber> where(bool f(SVGAnimatedNumber element)) => new WhereIterable<SVGAnimatedNumber>(this, f);
 
   bool every(bool f(SVGAnimatedNumber element)) => _Collections.every(this, f);
 
@@ -601,8 +599,7 @@ class SVGAnimatedTransformList implements JavaScriptIndexingBehavior, List<SVGAn
 
   Iterable mappedBy(f(SVGAnimateTransformElement element)) => new MappedIterable(this, f);
 
-  Collection<SVGAnimateTransformElement> where(bool f(SVGAnimateTransformElement element)) =>
-     _Collections.where(this, <SVGAnimateTransformElement>[], f);
+  Iterable<SVGAnimateTransformElement> where(bool f(SVGAnimateTransformElement element)) => new WhereIterable<SVGAnimateTransformElement>(this, f);
 
   bool every(bool f(SVGAnimateTransformElement element)) => _Collections.every(this, f);
 
@@ -3022,8 +3019,7 @@ class SVGLengthList implements JavaScriptIndexingBehavior, List<SVGLength> nativ
 
   Iterable mappedBy(f(SVGLength element)) => new MappedIterable(this, f);
 
-  Collection<SVGLength> where(bool f(SVGLength element)) =>
-     _Collections.where(this, <SVGLength>[], f);
+  Iterable<SVGLength> where(bool f(SVGLength element)) => new WhereIterable<SVGLength>(this, f);
 
   bool every(bool f(SVGLength element)) => _Collections.every(this, f);
 
@@ -3511,8 +3507,7 @@ class SVGNumberList implements JavaScriptIndexingBehavior, List<SVGNumber> nativ
 
   Iterable mappedBy(f(SVGNumber element)) => new MappedIterable(this, f);
 
-  Collection<SVGNumber> where(bool f(SVGNumber element)) =>
-     _Collections.where(this, <SVGNumber>[], f);
+  Iterable<SVGNumber> where(bool f(SVGNumber element)) => new WhereIterable<SVGNumber>(this, f);
 
   bool every(bool f(SVGNumber element)) => _Collections.every(this, f);
 
@@ -4170,8 +4165,7 @@ class SVGPathSegList implements JavaScriptIndexingBehavior, List<SVGPathSeg> nat
 
   Iterable mappedBy(f(SVGPathSeg element)) => new MappedIterable(this, f);
 
-  Collection<SVGPathSeg> where(bool f(SVGPathSeg element)) =>
-     _Collections.where(this, <SVGPathSeg>[], f);
+  Iterable<SVGPathSeg> where(bool f(SVGPathSeg element)) => new WhereIterable<SVGPathSeg>(this, f);
 
   bool every(bool f(SVGPathSeg element)) => _Collections.every(this, f);
 
@@ -5039,8 +5033,7 @@ class SVGStringList implements JavaScriptIndexingBehavior, List<String> native "
 
   Iterable mappedBy(f(String element)) => new MappedIterable(this, f);
 
-  Collection<String> where(bool f(String element)) =>
-     _Collections.where(this, <String>[], f);
+  Iterable<String> where(bool f(String element)) => new WhereIterable<String>(this, f);
 
   bool every(bool f(String element)) => _Collections.every(this, f);
 
@@ -5603,8 +5596,7 @@ class SVGTransformList implements JavaScriptIndexingBehavior, List<SVGTransform>
 
   Iterable mappedBy(f(SVGTransform element)) => new MappedIterable(this, f);
 
-  Collection<SVGTransform> where(bool f(SVGTransform element)) =>
-     _Collections.where(this, <SVGTransform>[], f);
+  Iterable<SVGTransform> where(bool f(SVGTransform element)) => new WhereIterable<SVGTransform>(this, f);
 
   bool every(bool f(SVGTransform element)) => _Collections.every(this, f);
 
@@ -5981,8 +5973,7 @@ class _SVGElementInstanceList implements JavaScriptIndexingBehavior, List<SVGEle
 
   Iterable mappedBy(f(SVGElementInstance element)) => new MappedIterable(this, f);
 
-  Collection<SVGElementInstance> where(bool f(SVGElementInstance element)) =>
-     _Collections.where(this, <SVGElementInstance>[], f);
+  Iterable<SVGElementInstance> where(bool f(SVGElementInstance element)) => new WhereIterable<SVGElementInstance>(this, f);
 
   bool every(bool f(SVGElementInstance element)) => _Collections.every(this, f);