Rename internal library dart:_collection-dev to dart:_internal.

sdk/lib/_internal/compiler/implementation/compiler.dart

 // 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.
 
 part of dart2js;
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
@@ skipping 434 matching lines @@
 
   // Initialized when dart:mirrors is loaded.
   ClassElement mirrorSystemClass;
 
   // Initialized when dart:mirrors is loaded.
   ClassElement mirrorsUsedClass;
 
   // Initialized after mirrorSystemClass has been resolved.
   FunctionElement mirrorSystemGetNameFunction;
 
-  // Initialized when dart:_collection-dev is loaded.
+  // Initialized when dart:_internal is loaded.
   ClassElement symbolImplementationClass;
 
   // Initialized when symbolImplementationClass has been resolved.
   FunctionElement symbolValidatedConstructor;
 
   // Initialized when mirrorsUsedClass has been resolved.
   FunctionElement mirrorsUsedConstructor;
 
   // Initialized when dart:mirrors is loaded.
   ClassElement deferredLibraryClass;
@@ skipping 336 matching lines @@
     if (uri == new Uri(scheme: 'dart', path: 'mirrors')) {
       mirrorsLibrary = library;
       mirrorSystemClass =
           findRequiredElement(library, 'MirrorSystem');
       mirrorsUsedClass =
           findRequiredElement(library, 'MirrorsUsed');
     } else if (uri == new Uri(scheme: 'dart', path: 'typed_data')) {
       typedDataLibrary = library;
       typedDataClass =
           findRequiredElement(library, 'TypedData');
-    } else if (uri == new Uri(scheme: 'dart', path: '_collection-dev')) {
+    } else if (uri == new Uri(scheme: 'dart', path: '_internal')) {
       symbolImplementationClass =
           findRequiredElement(library, 'Symbol');
     } else if (uri == new Uri(scheme: 'dart', path: 'async')) {
       deferredLibraryClass =
           findRequiredElement(library, 'DeferredLibrary');
     } else if (isolateHelperLibrary == null
                && (uri == new Uri(scheme: 'dart', path: '_isolate_helper'))) {
       isolateHelperLibrary = library;
     } else if (foreignLibrary == null
                && (uri == new Uri(scheme: 'dart', path: '_foreign_helper'))) {
@@ skipping 850 matching lines @@
 
   void close() {}
 
   toString() => name;
 
   /// Convenience method for getting an [api.CompilerOutputProvider].
   static NullSink outputProvider(String name, String extension) {
     return new NullSink('$name.$extension');
   }
 }