Remove parseUriWithException() and URISyntaxException.

pkg/analyzer/lib/source/embedder.dart

Index: pkg/analyzer/lib/source/embedder.dart
diff --git a/pkg/analyzer/lib/source/embedder.dart b/pkg/analyzer/lib/source/embedder.dart
index ffcbfed592f6aaff656a66ba4482dfd068c9c4d9..5d63abcb87db523a1d4dc8d68236978cee26d8e4 100644
--- a/pkg/analyzer/lib/source/embedder.dart
+++ b/pkg/analyzer/lib/source/embedder.dart
@@ -11,7 +11,6 @@ import 'dart:core' hide Resource;
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/source/package_map_provider.dart'
     show PackageMapProvider;
-import 'package:analyzer/src/generated/java_core.dart';
 import 'package:analyzer/src/generated/java_io.dart' show JavaFile;
 import 'package:analyzer/src/generated/sdk.dart';
 import 'package:analyzer/src/generated/sdk_io.dart';
@@ -88,8 +87,8 @@ class EmbedderSdk extends AbstractDartSdk {
     String filePath = srcPath.replaceAll('/', JavaFile.separator);
     try {
       JavaFile file = new JavaFile(filePath);
-      return new FileBasedSource(file, parseUriWithException(dartUri));
-    } on URISyntaxException {
+      return new FileBasedSource(file, Uri.parse(dartUri));
+    } on FormatException {
       return null;
     }
   }