Rename Compiler.runCompiler -> runInternal.

tests/compiler/dart2js/simple_inferrer_closure_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'package:expect/expect.dart';
 import "package:async_helper/async_helper.dart";
 import 'compiler_helper.dart';
 import 'type_mask_test_helper.dart';
 
 const String TEST = """
@@ skipping 100 matching lines @@
   returnNum1();
   returnIntOrNull();
   new A().foo();
 }
 """;
 
 
 void main() {
   Uri uri = new Uri(scheme: 'source');
   var compiler = compilerFor(TEST, uri);
-  asyncTest(() => compiler.runCompiler(uri).then((_) {
+  asyncTest(() => compiler.run(uri).then((_) {
     var typesInferrer = compiler.typesTask.typesInferrer;
 
     checkReturn(String name, type) {
       var element = findElement(compiler, name);
       Expect.equals(type,
           simplify(typesInferrer.getReturnTypeOfElement(element), compiler),
           name);
     }
 
     checkReturn('returnInt1', compiler.typesTask.uint31Type);
@@ skipping 11 matching lines @@
       var cls = findElement(compiler, className);
       var element = cls.lookupLocalMember(methodName);
       Expect.equals(type,
           simplify(typesInferrer.getReturnTypeOfElement(element), compiler));
     }
     var cls = findElement(compiler, 'A');
     checkReturnInClass('A', 'foo', new TypeMask.nonNullExact(cls,
         compiler.world));
   }));
 }