Don't use part of library.name in platform libraries.

The feature will go away when we get any new part-affecting
language feature, whether enhanced parts or import shorthands.
Might as well be prepared.

Not touching tools/dom.

CoreLibraryReviewExempt: No changes to actual code. Also, vacation.
Tested: No behavior change, no new tests.
Change-Id: Ie70f07b9f8f73edd93bf37b93de60662e271a0e2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/440221
Reviewed-by: Johnni Winther <[email protected]>
Commit-Queue: Lasse Nielsen <[email protected]>
Reviewed-by: Alexander Markov <[email protected]>

Author: lrhn

pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart

@@ -9,7 +9,7 @@
 
 // ignore_for_file: lines_longer_than_80_chars
 
-part of _fe_analyzer_shared.messages.codes;
+part of 'codes.dart';
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode codeAbstractClassConstructorTearOff = const MessageCode(

pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/geometry.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-part of dart.ui;
+part of 'ui.dart';
 
 /// A radius for either circular or elliptical shapes.
 class Radius {

pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/painting.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-part of dart.ui;
+part of 'ui.dart';
 
 /// Algorithms to use when painting on the canvas.
 ///

pkg/analyzer_testing/lib/mock_packages/package_content/ui/lib/text.dart

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-part of dart.ui;
+part of 'ui.dart';
 
 /// Whether to slant the glyphs in the font
 enum FontStyle {

pkg/analyzer_testing/lib/mock_packages/package_content/vector_math/lib/matrix4.dart

@@ -2,7 +2,7 @@
 // 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 vector_math_64;
+part of 'vector_math_64.dart';
 
 /// 4D Matrix.
 /// Values are stored in column major order.

pkg/front_end/tool/generate_messages_lib.dart

@@ -56,7 +56,7 @@ Messages generateMessagesFilesRaw(
   sharedMessages.writeln(preamble1);
   sharedMessages.writeln(preamble2);
   sharedMessages.writeln("""
-part of _fe_analyzer_shared.messages.codes;
+part of 'codes.dart';
 """);
 
   cfeMessages.writeln(preamble1);

pkg/vm/testcases/transformations/vm_constant_evaluator/errors/not_constant_field.dart.linux.expect

@@ -1,5 +1,5 @@
 Constant evaluation error: Constant evaluation error:
-platform_impl.dart:2770 Constant evaluation error: The invocation of '_environmentCache' is not allowed in a constant expression.
+platform_impl.dart:2772 Constant evaluation error: The invocation of '_environmentCache' is not allowed in a constant expression.
 Member: notConstant
 File: not_constant_field.dart
 Offset: 350

sdk/lib/_http/crypto.dart

@@ -2,7 +2,7 @@
 // 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 dart._http;
+part of "dart:_http";
 
 class _CryptoUtils {
   static Uint8List getRandomBytes(int count) {

sdk/lib/_http/embedder_config.dart

@@ -2,7 +2,7 @@
 // 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 dart._http;
+part of "dart:_http";
 
 /// Embedder-specific `dart:_http` configuration.
 

sdk/lib/_http/http_date.dart

@@ -2,7 +2,7 @@
 // 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 dart._http;
+part of "dart:_http";
 
 /// Utility functions for working with dates with HTTP specific date
 /// formats.