Move JSSyntaxRegExp to core as a private member. This removes the last refrences to dart:coreimpl.

compiler/javatests/com/google/dart/compiler/PackageLibraryManagerTest.java

 // Copyright (c) 2012, 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.
 package com.google.dart.compiler;
 
 import junit.framework.TestCase;
 
 import java.net.URI;
 
 public class PackageLibraryManagerTest extends TestCase {
@@ skipping 16 matching lines @@
   public void testExpand1() throws Exception {
     URI shortUri = new URI("dart:core");
     URI fullUri = packageLibraryManager.expandRelativeDartUri(shortUri);
     assertNotNull(fullUri);
     assertEquals("dart", fullUri.getScheme());
     assertEquals("core", fullUri.getHost());
     assertTrue(getPath(fullUri).endsWith("/core.dart"));
   }
 
   public void testExpand2() throws Exception {
-    URI shortUri = new URI("dart:coreimpl");
-    URI fullUri = packageLibraryManager.expandRelativeDartUri(shortUri);
-    assertNotNull(fullUri);
-    assertEquals("dart", fullUri.getScheme());
-    assertEquals("coreimpl", fullUri.getHost());
-    assertTrue(getPath(fullUri).endsWith("/coreimpl.dart"));
-  }
-
-  public void testExpand3() throws Exception {
-    URI shortUri = new URI("dart:coreimpl");
-    URI fullUri1 = packageLibraryManager.expandRelativeDartUri(shortUri);
-    URI fullUri2 = packageLibraryManager.expandRelativeDartUri(fullUri1);
-    assertNotNull(fullUri2);
-    assertEquals("dart", fullUri2.getScheme());
-    assertEquals("coreimpl", fullUri2.getHost());
-    assertTrue(getPath(fullUri2).endsWith("/coreimpl.dart"));
-  }
-
-  public void testExpand4() throws Exception {
     URI shortUri = new URI("dart:doesnotexist");
     URI fullUri = packageLibraryManager.expandRelativeDartUri(shortUri);
     assertNull(fullUri);
   }
 
   public void testTranslate1() throws Exception {
     URI shortUri = new URI("dart:core");
     URI fullUri = packageLibraryManager.expandRelativeDartUri(shortUri);
     URI translatedURI = packageLibraryManager.resolveDartUri(fullUri);
     assertNotNull(translatedURI);
     String scheme = translatedURI.getScheme();
     assertTrue(scheme.equals("file"));
     assertTrue(getPath(translatedURI).endsWith("/core.dart"));
   }
 
   public void testTranslate2() throws Exception {
-    URI shortUri = new URI("dart:coreimpl");
-    URI fullUri = packageLibraryManager.expandRelativeDartUri(shortUri);
-    URI translatedURI = packageLibraryManager.resolveDartUri(fullUri);
-    assertNotNull(translatedURI);
-    String scheme = translatedURI.getScheme();
-    assertTrue(scheme.equals("file"));
-    assertTrue(getPath(translatedURI).endsWith("/coreimpl.dart"));
-  }
-
-  public void testTranslate3() throws Exception {
     URI fullUri = new URI("dart://doesnotexist/some/file.dart");
     URI translatedURI = packageLibraryManager.resolveDartUri(fullUri);
     assertNotNull(translatedURI);
     String scheme = translatedURI.getScheme();
     assertTrue(scheme.equals("file"));
     assertTrue(getPath(translatedURI).endsWith("some/file.dart"));
   }
   
   public void testPackageExpand1() throws Exception {
     URI shortUri = new URI("package:test.dart");
@@ skipping 17 matching lines @@
   public void testPackageTranslate1() throws Exception {
     URI shortUri = new URI("package:test.dart");
     URI fullUri = packageLibraryManager.expandRelativeDartUri(shortUri);
     URI translatedURI = packageLibraryManager.resolveDartUri(fullUri);
     assertNotNull(translatedURI);
     String scheme = translatedURI.getScheme();
     assertTrue(scheme.equals("file"));
     assertTrue(getPath(translatedURI).endsWith("/test.dart"));
   }
 }