Update some comments referring to the now-deleted J2CL build of JSCom…

…piler

PiperOrigin-RevId: 708046871

src/com/google/javascript/jscomp/base/format/SimpleFormat.java

@@ -26,13 +26,13 @@
 import org.jspecify.annotations.Nullable;
 
 /**
- * This is a hacked apart version of the Apache Harmony String.format class
- * with all parts outside of the GWT subset removed.  It will work for
- * simple format commands but does not handle I18N and doesn't handle complex
- * formatting options such as calendar entries and hashcodes.
+ * This is a hacked apart version of the Apache Harmony String.format class with all parts outside
+ * of the GWT subset removed. It will work for simple format commands but does not handle I18N and
+ * doesn't handle complex formatting options such as calendar entries and hashcodes.
  *
- * Formats arguments according to a format string (like {@code printf} in C).
- * <p>
+ * <p>Formats arguments according to a format string (like {@code printf} in C).
+ *
+ * <p>TODO: b/384760309 - replace with standard String.format
  */
 public final class SimpleFormat {
   final StringBuilder out;

src/com/google/javascript/jscomp/modules/ModuleMetadataMap.java

@@ -227,6 +227,7 @@ public static Builder builder() {
     // Use reference equality to prevent bad HashSet<ModuleMetadata> performance on GWT.
     // GatherModuleMetadata is guaranteed to create exactly one ModuleMetadata instance for each
     // input module.
+    // NOTE(user): consider removing this override now that GWT & J2CL builds are gone.
     @Override
     public final boolean equals(Object other) {
       return super.equals(other);

src/com/google/javascript/rhino/JSIdentifier.java

@@ -49,8 +49,6 @@
 /**
  * Utility class to hold isJSIdentifier.
  *
- * <p>Separated into its own class because it is not GWT compatible.
- *
  * <p>IMPORTANT: As of 2018-03-09 it is still not possible to use Java 8 features in this file due
  * to limitations on some internal Google projects that depend on it.
  */

test/com/google/javascript/jscomp/CompilerTestCaseUtils.java

@@ -19,7 +19,7 @@
 import java.io.ByteArrayOutputStream;
 import java.util.List;
 
-/** CompilerTestCase utilities that can be super sourced out for GWT/J2CL implementation. */
+/** CompilerTestCase utilities */
 public final class CompilerTestCaseUtils {
   public static Compiler multistageSerializeAndDeserialize(
       CompilerTestCase testCase,