dart2js cps: Support inlining constructors with type arguments.

tests/compiler/dart2js/cps_ir/expected/constructor_10.js

 // Expectation for test: 
-// // Method to test: generative_constructor(C#)
 // class C<T> {
 //   var x;
 //   C() : x = new D<T>();
 // }
 // class D<T> {
 //   foo() => T;
 // }
 // main() {
 //   print(new C<int>().x.foo());
 // }
 
-function($T) {
-  return H.setRuntimeTypeInfo(new V.C(V.D$($T)), [$T]);
+function() {
+  var line = H.S(H.createRuntimeType(H.runtimeTypeToString(H.getTypeArgumentByIndex(V.D$(P.$int), 0))));
+  if (typeof dartPrint == "function")
+    dartPrint(line);
+  else if (typeof console == "object" && typeof console.log != "undefined")
+    console.log(line);
+  else if (!(typeof window == "object")) {
+    if (!(typeof print == "function"))
+      throw "Unable to print message: " + String(line);
+    print(line);
+  }
 }