Remove mentions of middlemen from RewindingTestsHelper.java and Actio…

…nRewindStrategy.java .

RELNOTES: None.
PiperOrigin-RevId: 695919563
Change-Id: Iddea7f895f81783c3707cfee9af8794e3f825496

src/main/java/com/google/devtools/build/lib/skyframe/rewinding/ActionRewindStrategy.java

@@ -437,7 +437,7 @@ private Set<DerivedArtifact> getLostInputOwningDirectDeps(
 
           if (expandedDeps.contains(Artifact.key(transitiveOwner))) {
             // The lost input is included in an aggregation artifact (e.g. a tree artifact or
-            // fileset) that is included by an aggregation artifact (e.g. a middleman) that the
+            // fileset) that is included by an aggregation artifact (e.g. a runfiles tree) that the
             // action directly depends on.
             lostInputOwningDirectDeps.add((DerivedArtifact) transitiveOwner);
             foundLostInputDepOwner = true;
@@ -446,7 +446,7 @@ private Set<DerivedArtifact> getLostInputOwningDirectDeps(
 
         if (expandedDeps.contains(Artifact.key(owner))) {
           // The lost input is included in an aggregation artifact (e.g. a tree artifact, fileset,
-          // or middleman) that the action directly depends on.
+          // or runfiles tree) that the action directly depends on.
           lostInputOwningDirectDeps.add((DerivedArtifact) owner);
           foundLostInputDepOwner = true;
         }

src/test/java/com/google/devtools/build/lib/skyframe/rewinding/RewindingTestsHelper.java

@@ -1556,8 +1556,6 @@ final void runTreeFileArtifactRewound(SpawnShim shim) throws Exception {
             "Linking tree/libconsumes_tree.so",
             "Linking tree/libconsumes_tree.a");
 
-    // Rules like cc_library depend on middleman inputs which are part of the toolchain, but none
-    // are involved in rewinding.
     recorder.assertEvents(
         /* runOnce= */ ImmutableList.of(
             "Compiling tree/make_cc_dir.cc/file2.cc",
@@ -1666,8 +1664,6 @@ final void runTreeArtifactRewoundWhenTreeFilesLost(
             "Linking tree/libconsumes_tree.so",
             "Linking tree/libconsumes_tree.a");
 
-    // Rules like cc_library depend on middleman inputs which are part of the toolchain, but none
-    // are involved in rewinding.
     recorder.assertEvents(
         /* runOnce= */ ImmutableList.of(
             "Action tree/make_cc_dir.cc", "Linking tree/libconsumes_tree.a"),
@@ -1691,7 +1687,7 @@ final void runTreeArtifactRewoundWhenTreeFilesLost(
 
   public final void runGeneratedRunfilesRewound_allFilesLost_spawnFailed() throws Exception {
     // This test demonstrates that rewinding works when an action fails due to lost inputs which are
-    // generated files in the action's runfiles. Rewinding must propagate across the middleman
+    // generated files in the action's runfiles. Rewinding must propagate across the runfiles tree
     // artifacts and actions associated with the runfiles.
 
     ImmutableList<String> lostRunfiles = ImmutableList.of("gen1.dat", "gen2.dat");