Smarter splitting around named collection arguments.

test/regression/0100/0108.unit

 >>>
 class ResolutionCopier {
   @override
   bool visitClassDeclaration(ClassDeclaration node) {
     ClassDeclaration toNode = this._toNode as ClassDeclaration;
     return javaBooleanAnd(
         javaBooleanAnd(
             javaBooleanAnd(
                 javaBooleanAnd(javaBooleanAnd(javaBooleanAnd(
                         javaBooleanAnd(javaBooleanAnd(
@@ skipping 181 matching lines @@
   }
 }
 <<<
 class ElementBinder {
   DirectiveInjector bind(
       View view, Scope scope, DirectiveInjector parentInjector, dom.Node node) {
     if (bindAssignableProps.isNotEmpty) {
       _bindAssignablePropsOn.forEach((String eventName) =>
           node.addEventListener(
               eventName,
-              (_) => zone.run(() => bindAssignableProps.forEach(
-                  (propAndExp) => propAndExp[1]
+              (_) => zone.run(() => bindAssignableProps.forEach((propAndExp) =>
+                  propAndExp[1]
                       .assign(scope.context, jsNode[propAndExp[0]])))));
     }
   }
 }
 >>>
 async.Future<List<dom.StyleElement>> call(String tag, List<String> cssUrls, {Type type}) =>
 (DDC$RT.cast(async.Future.wait((DDC$RT.cast(cssUrls.map((url) => _styleElement(tag,
 (DDC$RT.cast(url, String, key: "Cast failed: package:angular/core_dom/component_css_loader.dart:17:65")), type)),
 DDC$RT.type((Iterable<Future<dynamic>> _) {}), key: "Cast failed: package:angular/core_dom/component_css_loader.dart:17:25"))),
 DDC$RT.type((Future<List<StyleElement>> _) {}), key: "Cast failed: package:angular/core_dom/component_css_loader.dart:17:7"));
 <<<
-async.Future<List<dom.StyleElement>> call(String tag, List<String> cssUrls,
-        {Type type}) =>
+async.Future<List<dom.StyleElement>> call(String tag, List<String> cssUrls, {Type type}) =>
     (DDC$RT.cast(
         async.Future.wait((DDC$RT.cast(
-            cssUrls.map((url) =>
-                _styleElement(tag, (DDC$RT.cast(url, String, key: "Cast failed: package:angular/core_dom/component_css_loader.dart:17:65")), type)),
+            cssUrls.map((url) => _styleElement(
+                tag,
+                (DDC$RT.cast(url, String, key: "Cast failed: package:angular/core_dom/component_css_loader.dart:17:65")),
+                type)),
             DDC$RT.type((Iterable<Future<dynamic>> _) {}),
             key: "Cast failed: package:angular/core_dom/component_css_loader.dart:17:25"))),
         DDC$RT.type((Future<List<StyleElement>> _) {}),
         key: "Cast failed: package:angular/core_dom/component_css_loader.dart:17:7"));