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

lib/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.
 
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
 const bool REPORT_EXCESS_RESOLUTION = false;
@@ skipping 172 matching lines @@
 
   static const int PHASE_SCANNING = 0;
   static const int PHASE_RESOLVING = 1;
   static const int PHASE_COMPILING = 2;
   int phase;
 
   bool compilationFailed = false;
 
   bool hasCrashed = false;
 
-  Compiler([this.tracer = const Tracer(),
-            this.enableTypeAssertions = false,
-            this.enableUserAssertions = false,
-            this.enableMinification = false,
-            bool emitJavaScript = true,
-            bool generateSourceMap = true,
-            List<String> strips = const []])
+  Compiler({this.tracer: const Tracer(),
+            this.enableTypeAssertions: false,
+            this.enableUserAssertions: false,
+            this.enableMinification: false,
+            bool emitJavaScript: true,
+            bool generateSourceMap: true,
+            List<String> strips: const []})
       : libraries = new Map<String, LibraryElement>(),
         progress = new Stopwatch() {
     progress.start();
     world = new World(this);
     scanner = new ScannerTask(this);
     dietParser = new DietParserTask(this);
     parser = new ParserTask(this);
     patchParser = new PatchParserTask(this);
     validator = new TreeValidatorTask(this);
     resolver = new ResolverTask(this);
@@ skipping 640 matching lines @@
  * information in the generated error message.
  */
 bool invariant(Spannable spannable, var condition, {String message: null}) {
   // TODO(johnniwinther): Use [spannable] and [message] to provide better
   // information on assertion errors.
   if (condition is Function){
     condition = condition();
   }
   return spannable != null && condition;
 }