Change core lib, dart2js, and more for new optional parameters syntax

lib/_internal/libraries.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.
 
 #library('libraries');
 
 /**
  * A bit flag used by [LibraryInfo] indicating that a library is used by dart2js
  */
 const int DART2JS_PLATFORM = 1;
@@ skipping 122 matching lines @@
 
   /**
    * True if the library contains implementation details for another library.
    * The implication is that these libraries are less commonly used
    * and that tools like Dart Editor should not show these libraries
    * in a list of all libraries unless the user specifically asks the tool to
    * do so. (E.g. "coreimpl" contains implementation for the "core" library).
    */
   final bool implementation;
 
-  const LibraryInfo(this.path, [
-           this.category = "Shared",
-           this.dart2jsPath,
-           this.dart2jsPatchPath,
-           this.implementation = false,
-           this.documented = true,
-           this.platforms = DART2JS_PLATFORM | VM_PLATFORM]);
+  const LibraryInfo(this.path, {
+                    this.category: "Shared",
+                    this.dart2jsPath,
+                    this.dart2jsPatchPath,
+                    this.implementation: false,
+                    this.documented: true,
+                    this.platforms: DART2JS_PLATFORM | VM_PLATFORM});
 
   bool get isDart2jsLibrary => (platforms & DART2JS_PLATFORM) != 0;
   bool get isVmLibrary => (platforms & VM_PLATFORM) != 0;
 }