rename dart_runtime.js helpers

lib/runtime/dart_runtime.js

Index: lib/runtime/dart_runtime.js
diff --git a/lib/runtime/dart_runtime.js b/lib/runtime/dart_runtime.js
index db7522ed0acf2931015d487ad346ea524b5f7cd7..680c3b7402be2b7b55de599b0d380904604659b6 100644
--- a/lib/runtime/dart_runtime.js
+++ b/lib/runtime/dart_runtime.js
@@ -68,17 +68,17 @@ var dart, _js_helper;
     return f.apply(obj, args);
   }
 
-  function dinvokef(f/*, ...args*/) {
+  function dcall(f/*, ...args*/) {
     let args = Array.prototype.slice.call(arguments, 1);
     return checkAndCall(f, void 0, args, 'call');
   }
-  dart.dinvokef = dinvokef;
+  dart.dcall = dcall;
 
-  function dinvoke(obj, method/*, ...args*/) {
+  function dsend(obj, method/*, ...args*/) {
     let args = Array.prototype.slice.call(arguments, 2);
     return checkAndCall(obj[method], obj, args, method);
   }
-  dart.dinvoke = dinvoke;
+  dart.dinvoke = dsend;
 
   function dindex(obj, index) {
     return checkAndCall(obj.get, obj, [index], '[]');
@@ -90,11 +90,6 @@ var dart, _js_helper;
   }
   dart.dsetindex = dindex;
 
-  function dbinary(left, op, right) {
-    return checkAndCall(left[op], left, [right], op);
-  }
-  dart.dbinary = dbinary;
-
   function cast(obj, type) {
     // TODO(vsm): handle non-nullable types
     if (obj == null) return obj;