Connect analyzer's AnalysisError object to front_end's CompilationError.

pkg/analyzer/lib/src/summary/package_bundle_reader.dart

 import 'dart:io' as io;
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/src/context/cache.dart';
 import 'package:analyzer/src/context/context.dart';
 import 'package:analyzer/src/dart/element/element.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/resolver.dart';
 import 'package:analyzer/src/generated/source.dart';
 import 'package:analyzer/src/generated/source_io.dart';
 import 'package:analyzer/src/generated/utilities_dart.dart';
 import 'package:analyzer/src/source/source_resource.dart';
 import 'package:analyzer/src/summary/format.dart';
 import 'package:analyzer/src/summary/idl.dart';
 import 'package:analyzer/src/summary/resynthesize.dart';
 import 'package:analyzer/src/task/dart.dart';
 import 'package:analyzer/src/util/fast_uri.dart';
 import 'package:analyzer/task/dart.dart';
 import 'package:analyzer/task/general.dart';
 import 'package:analyzer/task/model.dart';
 import 'package:path/path.dart' as pathos;
+import 'package:source_span/source_span.dart' as source_span;
 
 /**
  * The [ResultProvider] that provides results from input package summaries.
  */
 class InputPackagesResultProvider extends ResynthesizerResultProvider {
   InputPackagesResultProvider(
       InternalAnalysisContext context, SummaryDataStore dataStore)
       : super(context, dataStore) {
     AnalysisContext sdkContext = context.sourceFactory.dartSdk.context;
     createResynthesizer(sdkContext, sdkContext.typeProvider);
@@ skipping 64 matching lines @@
   @override
   bool get isInSystemLibrary => uri.scheme == DartUriResolver.DART_SCHEME;
 
   @override
   int get modificationStamp => 0;
 
   @override
   String get shortName => pathos.basename(fullName);
 
   @override
+  source_span.SourceFile get sourceFile =>
+      throw new StateError('Tried to get location info for InSummarySource');
+
+  @override
   UriKind get uriKind => UriKind.PACKAGE_URI;
 
   @override
   bool operator ==(Object object) => object is Source && object.uri == uri;
 
   @override
   bool exists() => true;
 
   @override
   String toString() => uri.toString();
@@ skipping 379 matching lines @@
  */
 @deprecated
 class _InSummaryFallbackSource extends FileBasedSource
     implements InSummarySource {
   @override
   final String summaryPath;
 
   _InSummaryFallbackSource(JavaFile file, Uri uri, this.summaryPath)
       : super(file, uri);
 }