Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/.

lib/compiler/implementation/native_handler.dart

Index: lib/compiler/implementation/native_handler.dart
===================================================================
--- lib/compiler/implementation/native_handler.dart	(revision 8644)
+++ lib/compiler/implementation/native_handler.dart	(working copy)
@@ -76,7 +76,7 @@
                        LibraryElement library,
                        Uri uri) {
   String libraryName = uri.toString();
-  if (library.script.name.contains('dart/frog/tests/frog_native')
+  if (library.script.name.contains('dart/tests/compiler/dart2js_native')
       || libraryName == 'dart:dom_deprecated'
       || libraryName == 'dart:isolate'
       || libraryName == 'dart:html') {
@@ -89,7 +89,7 @@
   }
 
   // Additionaly, if this is a test, we allow access to foreign functions.
-  if (library.script.name.contains('dart/frog/tests/frog_native')) {
+  if (library.script.name.contains('dart/tests/compiler/dart2js_native')) {
     library.define(compiler.findHelper(const SourceString('JS')), compiler);
   }
 }