Remove methodsToProcess from GlobalSyntheticsGenerator

Fixes: b/391286119
Change-Id: I7b23a9973b2c1dee7ee5db8f3fb6ceb79b099bab
diff --git a/src/main/java/com/android/tools/r8/GlobalSyntheticsGenerator.java b/src/main/java/com/android/tools/r8/GlobalSyntheticsGenerator.java
index 02eca77..f9fc6fe 100644
--- a/src/main/java/com/android/tools/r8/GlobalSyntheticsGenerator.java
+++ b/src/main/java/com/android/tools/r8/GlobalSyntheticsGenerator.java
@@ -31,11 +31,10 @@
 import com.android.tools.r8.graph.GenericSignature.ClassSignature;
 import com.android.tools.r8.graph.MethodCollection.MethodCollectionFactory;
 import com.android.tools.r8.graph.NestHostClassAttribute;
-import com.android.tools.r8.graph.ProgramDefinition;
-import com.android.tools.r8.graph.ProgramMethod;
 import com.android.tools.r8.graph.ThrowExceptionCode;
 import com.android.tools.r8.ir.conversion.PrimaryD8L8IRConverter;
 import com.android.tools.r8.ir.desugar.TypeRewriter;
+import com.android.tools.r8.ir.desugar.records.RecordDesugaringEventConsumer;
 import com.android.tools.r8.ir.desugar.records.RecordTagSynthesizer;
 import com.android.tools.r8.ir.desugar.varhandle.VarHandleDesugaring;
 import com.android.tools.r8.ir.desugar.varhandle.VarHandleDesugaringEventConsumer;
@@ -60,9 +59,7 @@
 import com.android.tools.r8.utils.Timing;
 import com.google.common.collect.ImmutableSet;
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.Collections;
-import java.util.List;
 import java.util.Set;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
@@ -180,26 +177,12 @@
     Set<DexProgramClass> synthesizingContext =
         ImmutableSet.of(createSynthesizingContext(appView.dexItemFactory()));
 
-    List<ProgramMethod> methodsToProcess = new ArrayList<>();
     // Add global synthetic class for records.
     RecordTagSynthesizer.ensureRecordClassHelper(
-        appView,
-        synthesizingContext,
-        recordTagClass -> recordTagClass.programMethods().forEach(methodsToProcess::add),
-        null,
-        null);
+        appView, synthesizingContext, RecordDesugaringEventConsumer.empty(), null, null);
 
     VarHandleDesugaringEventConsumer varHandleEventConsumer =
-        new VarHandleDesugaringEventConsumer() {
-          @Override
-          public void acceptVarHandleDesugaringClass(DexProgramClass clazz) {
-            clazz.programMethods().forEach(methodsToProcess::add);
-          }
-
-          @Override
-          public void acceptVarHandleDesugaringClassContext(
-              DexProgramClass clazz, ProgramDefinition context) {}
-        };
+        VarHandleDesugaringEventConsumer.empty();
 
     // Add global synthetic class for var handles.
     VarHandleDesugaring.ensureVarHandleClass(appView, varHandleEventConsumer, synthesizingContext);
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/records/RecordDesugaringEventConsumer.java b/src/main/java/com/android/tools/r8/ir/desugar/records/RecordDesugaringEventConsumer.java
index 469e0de..e5527cc 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/records/RecordDesugaringEventConsumer.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/records/RecordDesugaringEventConsumer.java
@@ -8,8 +8,18 @@
 
 public interface RecordDesugaringEventConsumer {
 
+  RecordDesugaringEventConsumer EMPTY =
+      new RecordDesugaringEventConsumer() {
+        @Override
+        public void acceptRecordClass(DexProgramClass recordTagClass) {}
+      };
+
   void acceptRecordClass(DexProgramClass recordTagClass);
 
+  static RecordDesugaringEventConsumer empty() {
+    return EMPTY;
+  }
+
   interface RecordClassSynthesizerDesugaringEventConsumer extends RecordDesugaringEventConsumer {
 
     void acceptRecordClassContext(DexProgramClass recordTagClass, DexProgramClass recordClass);
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/varhandle/VarHandleDesugaringEventConsumer.java b/src/main/java/com/android/tools/r8/ir/desugar/varhandle/VarHandleDesugaringEventConsumer.java
index d27e4d8..631cecb 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/varhandle/VarHandleDesugaringEventConsumer.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/varhandle/VarHandleDesugaringEventConsumer.java
@@ -8,7 +8,21 @@
 
 public interface VarHandleDesugaringEventConsumer {
 
+  VarHandleDesugaringEventConsumer EMPTY =
+      new VarHandleDesugaringEventConsumer() {
+        @Override
+        public void acceptVarHandleDesugaringClass(DexProgramClass clazz) {}
+
+        @Override
+        public void acceptVarHandleDesugaringClassContext(
+            DexProgramClass clazz, ProgramDefinition context) {}
+      };
+
   void acceptVarHandleDesugaringClass(DexProgramClass clazz);
 
   void acceptVarHandleDesugaringClassContext(DexProgramClass clazz, ProgramDefinition context);
+
+  static VarHandleDesugaringEventConsumer empty() {
+    return EMPTY;
+  }
 }