Rename Compiler.runCompiler -> runInternal.

tests/try/poi/compiler_test_case.dart

 // Copyright (c) 2014, 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.
 
 // Helper class for writing compiler tests.
 library trydart.compiler_test_case;
 
 import 'dart:async' show
     Future;
 
@@ skipping 60 matching lines @@
           }
           return library;
         });
   }
 
   Future run();
 
   /// Returns a future for the mainApp after running the compiler.
   Future<LibraryElement> compile() {
     return loadMainApp().then((LibraryElement library) {
-      return compiler.runCompiler(scriptUri).then((_) => library);
+      return compiler.run(scriptUri).then((_) => library);
     });
   }
 
   String toString() => source;
 }