Clean-up imports

pkg/analyzer/lib/src/context/context.dart

 // Copyright (c) 2015, 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 analyzer.src.context.context;
 
 import 'dart:async';
 import 'dart:collection';
 
+import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
 import 'package:analyzer/plugin/task.dart';
 import 'package:analyzer/source/embedder.dart';
 import 'package:analyzer/src/cancelable_future.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/dart/element/type.dart';
-import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/constant.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/error.dart';
 import 'package:analyzer/src/generated/incremental_resolver.dart';
 import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/java_engine.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/sdk.dart' show DartSdk;
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/testing/ast_factory.dart';
@@ skipping 609 matching lines @@
     if (!AnalysisEngine.isDartFileName(unitSource.shortName) ||
         !AnalysisEngine.isDartFileName(librarySource.shortName)) {
       return new CancelableFuture.error(new AnalysisNotScheduledError());
     }
     return new AnalysisFutureHelper<CompilationUnit>(this,
             new LibrarySpecificUnit(librarySource, unitSource), RESOLVED_UNIT)
         .computeAsync();
   }
 
   @override
-  Object /*=V*/ computeResult /*<V>*/ (
-      AnalysisTarget target, ResultDescriptor /*<V>*/ descriptor) {
+  Object/*=V*/ computeResult/*<V>*/(
+      AnalysisTarget target, ResultDescriptor/*<V>*/ descriptor) {
     // Make sure we are not trying to invoke the task model in a reentrant
     // fashion.
     assert(!driver.isTaskRunning);
     CacheEntry entry = getCacheEntry(target);
     CacheState state = entry.getState(descriptor);
     if (state == CacheState.FLUSHED || state == CacheState.INVALID) {
       driver.computeResult(target, descriptor);
     }
     state = entry.getState(descriptor);
     if (state == CacheState.ERROR) {
@@ skipping 1444 matching lines @@
     }
     DartSdk sdk = factory.dartSdk;
     if (sdk == null) {
       throw new IllegalArgumentException(
           "The source factory for an SDK analysis context must have a DartUriResolver");
     }
     return new AnalysisCache(
         <CachePartition>[AnalysisEngine.instance.partitionManager.forSdk(sdk)]);
   }
 }