refactor emitMemberName to be used more consistently

lib/runtime/dart/convert.js

Index: lib/runtime/dart/convert.js
diff --git a/lib/runtime/dart/convert.js b/lib/runtime/dart/convert.js
index 562d85c66b1c4fb20afdba19957a1627235e78f4..171551aaeb07340cca0bb781aba7aeed2036180c 100644
--- a/lib/runtime/dart/convert.js
+++ b/lib/runtime/dart/convert.js
@@ -31,7 +31,7 @@ var convert;
     }
     decodeStream(byteStream) {
       return dart.as(byteStream.transform(dart.as(this.decoder, async.StreamTransformer$(core.List$(core.int), dart.dynamic))).fold(new core.StringBuffer(), (buffer, string) => ((() => {
-        dart.dinvoke(buffer, 'write', string);
+        dart.dsend(buffer, 'write', string);
         return buffer;
       })())).then(buffer => buffer.toString()), async.Future$(core.String));
     }
@@ -527,7 +527,7 @@ var convert;
     [_convert](text, start, end) {
       let result = null;
       for (let i = start; dart.notNull(i) < dart.notNull(end); i = dart.notNull(i) + 1) {
-        let ch = text.get(i);
+        let ch = core.String.get(text, i);
         let replace = null;
         switch (ch) {
           case '&':
@@ -870,7 +870,7 @@ var convert;
   }
   // Function _defaultToEncodable: (dynamic) → Object
   function _defaultToEncodable(object) {
-    return dart.dinvoke(object, 'toJson');
+    return dart.dsend(object, 'toJson');
   }
   let _seen = Symbol('_seen');
   let _checkCycle = Symbol('_checkCycle');
@@ -975,7 +975,7 @@ var convert;
     }
     writeJsonValue(object) {
       if (dart.is(object, core.num)) {
-        if (dart.dunary('!', dart.dload(object, 'isFinite')))
+        if (dart.dsend(dart.dload(object, 'isFinite'), '!'))
           return false;
         this.writeNumber(dart.as(object, core.num));
         return true;
@@ -1112,7 +1112,7 @@ var convert;
       } else {
         stringifier = new _JsonStringStringifierPretty(output, toEncodable, indent);
       }
-      dart.dinvoke(stringifier, 'writeObject', object);
+      dart.dsend(stringifier, 'writeObject', object);
     }
     writeNumber(number) {
       this[_sink].write(number.toString());
@@ -2023,7 +2023,7 @@ var convert;
         let mask = _ONE_BYTE_LIMIT;
         for (let i = from; dart.notNull(i) < dart.notNull(to); i = dart.notNull(i) + 1) {
           let unit = dart.dindex(units, i);
-          if (!dart.equals(dart.dbinary(unit, '&', mask), unit))
+          if (!dart.equals(dart.dsend(unit, '&', mask), unit))
             return dart.notNull(i) - dart.notNull(from);
         }
         return dart.notNull(to) - dart.notNull(from);
@@ -2280,7 +2280,7 @@ var convert;
         this[_upgradedMap].clear();
       } else {
         if (this[_data] != null) {
-          dart.dinvoke(this[_data], 'clear');
+          dart.dsend(this[_data], 'clear');
         }
         this[_original] = this[_processed] = null;
         this[_data] = dart.map();