Remove generic comment syntax from pkg/dev_compiler.

Bug:
Change-Id: Ifc823c2b703ec70cd97981f08b29396de516f678
Reviewed-on: https://dart-review.googlesource.com/30382
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>

pkg/dev_compiler/test/codegen/closure.dart

@@ -3,7 +3,7 @@ library test;
 
 import 'dart:js';
 
-List/*<T>*/ generic_function/*<T>*/(List/*<T>*/ items, dynamic/*=T*/ seed) {
+List<T> generic_function<T>(List<T> items, T seed) {
   var strings = items.map((i) => "$i").toList();
   return items;
 }

pkg/dev_compiler/tool/input_sdk/lib/js/dart2js/js_dart2js.dart

@@ -560,7 +560,7 @@ Object _putIfAbsent(weakMap, o, getValue(o)) {
 /// JavaScript. We may remove the need to call this method completely in the
 /// future if Dart2Js is refactored so that its function calling conventions
 /// are more compatible with JavaScript.
-Function/*=F*/ allowInterop/*<F extends Function>*/(Function/*=F*/ f) => f;
+F allowInterop<F extends Function>(F f) => f;
 
 Expando<Function> _interopCaptureThisExpando = new Expando<Function>();
 

pkg/dev_compiler/tool/input_sdk/patch/internal_patch.dart

@@ -36,13 +36,13 @@ void printToConsole(String line) {
 }
 
 @patch
-List/*<E>*/ makeListFixedLength/*<E>*/(List/*<E>*/ growableList) {
+List<E> makeListFixedLength<E>(List<E> growableList) {
   JSArray.markFixedList(growableList);
   return growableList;
 }
 
 @patch
-List/*<E>*/ makeFixedListUnmodifiable/*<E>*/(List/*<E>*/ fixedLengthList) {
+List<E> makeFixedListUnmodifiable<E>(List<E> fixedLengthList) {
   JSArray.markUnmodifiableList(fixedLengthList);
   return fixedLengthList;
 }

pkg/dev_compiler/tool/input_sdk/private/native_helper.dart

@@ -19,7 +19,7 @@ void defineProperty(var obj, String property, var value) {
 
 // Obsolete in dart dev compiler. Added only so that the same version of
 // dart:html can be used in dart2js an dev compiler.
-/*=F*/ convertDartClosureToJS/*<F>*/(/*=F*/ closure, int arity) {
+F convertDartClosureToJS<F>(F closure, int arity) {
   return closure;
 }