Remove CompilerCancelledException.

dart/pkg/dart2js_incremental/lib/caching_compiler.dart

 // Copyright (c) 2013, 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_incremental;
 
 /// Do not call this method directly. It will be made private.
 // TODO(ahe): Make this method private.
 Future<Compiler> reuseCompiler(
     {DiagnosticHandler diagnosticHandler,
@@ skipping 20 matching lines @@
     outputProvider = NullSink.outputProvider;
   }
   if (environment == null) {
     environment = {};
   }
   Compiler compiler = cachedCompiler;
   if (compiler == null ||
       compiler.libraryRoot != libraryRoot ||
       !compiler.hasIncrementalSupport ||
       compiler.hasCrashed ||
-      compiler.compilerWasCancelled ||
       compiler.enqueuer.resolution.hasEnqueuedReflectiveElements ||
       compiler.deferredLoadTask.isProgramSplit) {
     if (compiler != null && compiler.hasIncrementalSupport) {
       print('***FLUSH***');
       if (compiler.hasCrashed) {
         print('Unable to reuse compiler due to crash.');
-      } else if (compiler.compilerWasCancelled) {
-        print('Unable to reuse compiler due to cancel.');
       } else if (compiler.enqueuer.resolution.hasEnqueuedReflectiveElements) {
         print('Unable to reuse compiler due to dart:mirrors.');
       } else if (compiler.deferredLoadTask.isProgramSplit) {
         print('Unable to reuse compiler due to deferred loading.');
       } else {
         print('Unable to reuse compiler.');
       }
     }
     oldTag.makeCurrent();
     compiler = new Compiler(
@@ skipping 139 matching lines @@
   final Map<String, String> output = new Map<String, String>();
 
   EventSink<String> call(String name, String extension) {
     return new StringEventSink((String data) {
       output['$name.$extension'] = data;
     });
   }
 
   String operator[] (String key) => output[key];
 }