Remove class FastUri from analyzer.

pkg/analyzer/test/src/dart/sdk/patch_test.dart

 // Copyright (c) 2016, 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.
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/src/dart/sdk/patch.dart';
 import 'package:analyzer/src/dart/sdk/sdk.dart';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
-import 'package:analyzer/src/util/fast_uri.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
 main() {
   defineReflectiveSuite(() {
     defineReflectiveTests(SdkPatcherTest);
   });
 }
 
 @reflectiveTest
@@ skipping 774 matching lines @@
       _setSdkLibraries(r'''
 final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {
   'test' : const LibraryInfo(
     'test/test.dart'),
 };''');
       _createSdk();
       var patchPaths = {
         'dart:test': [_p('/sdk/lib/does_not_exist.dart')]
       };
       File file = provider.newFile(_p('/sdk/lib/test/test.dart'), '');
-      Source source = file.createSource(FastUri.parse('dart:test'));
+      Source source = file.createSource(Uri.parse('dart:test'));
       CompilationUnit unit = SdkPatcher.parse(source, true, listener);
       patcher.patch(provider, true, patchPaths, listener, source, unit);
     }, throwsArgumentError);
   }
 
   test_internal_allowNewPublicNames() {
     _setSdkLibraries(r'''
 final Map<String, LibraryInfo> LIBRARIES = const <String, LibraryInfo> {
   '_internal' : const LibraryInfo(
     'internal/internal.dart'),
@@ skipping 18 matching lines @@
   int newField;
   B.newConstructor();
   int newMethod() => 1;
 }
 class NewClass {}
 int newFunction() => 2;
 ''');
 
     _createSdk();
 
-    Source source = file.createSource(FastUri.parse('dart:_internal'));
+    Source source = file.createSource(Uri.parse('dart:_internal'));
     CompilationUnit unit = SdkPatcher.parse(source, true, listener);
     patcher.patch(provider, true, patchPaths, listener, source, unit);
     _assertUnitCode(
         unit,
         'library dart._internal; class A {} '
         'class B {B(); int newField; B.newConstructor(); int newMethod() => 1;} '
         'class NewClass {} int newFunction() => 2;');
   }
 
   test_part() {
@@ skipping 32 matching lines @@
 class B {
   int _b() => 1;
 }
 
 class _C {}
 ''');
 
     _createSdk();
 
     {
-      Uri uri = FastUri.parse('dart:test');
+      Uri uri = Uri.parse('dart:test');
       Source source = fileLib.createSource(uri);
       CompilationUnit unit = SdkPatcher.parse(source, true, listener);
       patcher.patch(provider, true, patchPaths, listener, source, unit);
       _assertUnitCode(
           unit,
           "library test; part 'test_part.dart'; import 'foo.dart'; "
           "class A {int _a() => 1;} class _C {}");
     }
 
     {
-      Uri uri = FastUri.parse('dart:test/test_part.dart');
+      Uri uri = Uri.parse('dart:test/test_part.dart');
       Source source = filePart.createSource(uri);
       CompilationUnit unit = SdkPatcher.parse(source, true, listener);
       patcher.patch(provider, true, patchPaths, listener, source, unit);
       _assertUnitCode(unit, "part of test; class B {int _b() => 1;}");
     }
   }
 
   test_topLevel_class_append() {
     CompilationUnit unit = _doTopLevelPatching(
         r'''
@@ skipping 267 matching lines @@
     'test/test.dart'),
 };''');
     var patchPaths = {
       'dart:test': [_p('/sdk/lib/test/test_patch.dart')]
     };
     File file = provider.newFile(_p('/sdk/lib/test/test.dart'), baseCode);
     provider.newFile(_p('/sdk/lib/test/test_patch.dart'), patchCode);
 
     _createSdk();
 
-    Source source = file.createSource(FastUri.parse('dart:test'));
+    Source source = file.createSource(Uri.parse('dart:test'));
     CompilationUnit unit = SdkPatcher.parse(source, true, listener);
     patcher.patch(provider, true, patchPaths, listener, source, unit);
     return unit;
   }
 
   String _p(String path) => provider.convertPath(path);
 
   void _setSdkLibraries(String code) {
     provider.newFile(
         _p('/sdk/lib/_internal/sdk_library_metadata/lib/libraries.dart'), code);
   }
 
   static void _assertPrevNextToken(Token prev, Token next) {
     expect(prev.next, same(next));
     expect(next.previous, same(prev));
   }
 }