[analyzer] remove `BulkFixProcessor.fixOfTypeInUnit`

Fixes #49406

Change-Id: Ib755f918f91ceca1ac4c282e18a9eab9224882e2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/250746
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
diff --git a/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart b/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart
index 276a876..372d262 100644
--- a/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart
+++ b/pkg/analysis_server/lib/src/services/correction/bulk_fix_processor.dart
@@ -200,37 +200,6 @@
     return builder;
   }
 
-  /// Return a change builder that has been used to create all fixes for a
-  /// specific diagnostic code in the given [unit].
-  Future<ChangeBuilder> fixOfTypeInUnit(
-    ResolvedUnitResult unit,
-    String errorCode,
-  ) async {
-    final errorCodeLowercase = errorCode.toLowerCase();
-    final errors = unit.errors.where(
-      (error) => error.errorCode.name.toLowerCase() == errorCodeLowercase,
-    );
-
-    final analysisOptions = unit.session.analysisContext.analysisOptions;
-
-    var overrideSet = _readOverrideSet(unit);
-    for (var error in errors) {
-      final processor = ErrorProcessor.getProcessor(analysisOptions, error);
-      // Only fix errors not filtered out in analysis options.
-      if (processor == null || processor.severity != null) {
-        final fixContext = DartFixContextImpl(
-          instrumentationService,
-          workspace,
-          unit,
-          error,
-        );
-        await _fixSingleError(fixContext, unit, error, overrideSet);
-      }
-    }
-
-    return builder;
-  }
-
   Future<void> _applyProducer(
       CorrectionProducerContext context, CorrectionProducer producer) async {
     producer.configure(context);
diff --git a/pkg/analyzer/lib/src/dart/analysis/file_state.dart b/pkg/analyzer/lib/src/dart/analysis/file_state.dart
index 1bdbc40..5120f96 100644
--- a/pkg/analyzer/lib/src/dart/analysis/file_state.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/file_state.dart
@@ -316,7 +316,9 @@
 
 abstract class FileContent {
   String get content;
+
   String get contentHash;
+
   bool get exists;
 }
 
@@ -1818,8 +1820,8 @@
     file._fsState._libraryNameToFiles.add(this);
   }
 
-  /// The list of files files that this library consists of, i.e. this library
-  /// file itself, its [parts], and augmentations.
+  /// The list of files that this library consists of, i.e. this library file
+  /// itself, its [parts], and augmentations.
   List<FileState> get files {
     final files = [
       file,