Use better names for closures and static variables.

lib/compiler/implementation/emitter.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.
 
 /**
  * A function element that represents a closure call. The signature is copied
  * from the given element.
  */
 class ClosureInvocationElement extends FunctionElement {
   ClosureInvocationElement(SourceString name,
@@ skipping 686 matching lines @@
     bool hasOptionalParameters = member.optionalParameterCount(compiler) != 0;
     int parameterCount = member.parameterCount(compiler);
 
     String closureClass =
         hasOptionalParameters ? null : boundClosureCache[parameterCount];
     if (closureClass === null) {
       // Either the class was not cached yet, or there are optional parameters.
       // Create a new closure class.
       SourceString name = const SourceString("BoundClosure");
       ClassElement closureClassElement =
-          new ClosureClassElement(compiler, member.getCompilationUnit());
+          new ClosureClassElement(name, compiler, member.getCompilationUnit());
       String mangledName = namer.getName(closureClassElement);
       String superName = namer.getName(closureClassElement.superclass);
       needsClosureClass = true;
 
       // Define the constructor with a name so that Object.toString can
       // find the class name of the closure class.
       boundClosureBuffer.add("$defineClassName('$mangledName', '$superName', ");
       boundClosureBuffer.add("['self', 'target'], {\n");
 
       // Now add the methods on the closure class. The instance method does not
@@ skipping 337 matching lines @@
             null, sourceMap, new api.Diagnostic(-1, 'source map'));
       }
     });
     return compiler.assembledCode;
   }
 }
 
 typedef void DefineMemberFunction(String invocationName,
                                   String definition,
                                   [List<SourceMappingEntry> sourceMappings]);